--- title: "CBSE Class 12 Maths: Board Exam Solutions & Concept Coaching" description: "Prepare for your CBSE Class 12 Maths exams with Ankur Ajmani. We focus on concept clarity, solving PYQs, and building the confidence to crack tough problems without rote learning." canonical: https://mytribe.in/ankurajmaniclasses/competitive-entrance-exam-coaching/deep-dive-class-12-maths last_updated: 2025-09-20 --- # Master CBSE Class 12 Maths with Concept-First Coaching Tribe Verified · Concept-first Maths coaching in Janakpuri By [Ankur Ajmani](https://mytribe.in/ankurajmaniclasses) · Online coaching and at institute in Janakpuri, Delhi · ₹2,000 per quarter / per subject (estimate) Part of [Competitive & Entrance Exam Coaching](https://mytribe.in/ankurajmaniclasses/competitive-entrance-exam-coaching). [View full gallery](https://mytribe.in/ankurajmaniclasses/competitive-entrance-exam-coaching/gallery) Stop memorizing formulas. I break down complex Class 12 Maths problems into simple, logical steps so you can handle any question in your board exams. ## Photos and videos - [Video: In this detailed session, I explain how to approach a complex number problem. Instead of just solving, I focus on the strategy, like using conjugates and smart manipulation, to get to the answer efficiently.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/84918be0-bf5b-4f75-924e-176d38b6c7ac) - [Video: Here, I am explaining the concept of quadrants in trigonometry and how the signs of sin, cos, and tan change. Understanding this core concept is crucial for solving Class 11 and 12 trigonometry problems.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/8aafd61c-cd3e-4015-a28e-f548873338b0) - [Video: A student asked for "good" questions in Matrices, not just important ones. This video shows my approach to tackling challenging problems in Class 12 Matrices, along with a list of questions for practice.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/9fcb3d1d-4e2d-47e9-8f33-5cb2421641e8) - [Video: Integration has over 300 questions in the NCERT book, which can be overwhelming. I share a list of the most important integration questions to focus on for your board exams.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/7094d9f5-102e-4b08-97d7-a28c2e99e492) - [Video: Solving for 'x' using the properties of sine and cosine inverse. This video is a step-by-step solution to a PYQ, demonstrating the application of the sin inverse x + cos inverse x formula.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/a5503fd2-fb08-4eaa-8978-e06d5a64627c) - [Video: A PYQ on inverse trigonometry where we need to find the value of x + y + xy. I walk through the formula for tan inverse x + tan inverse y and simplify the equation to find the solution.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/d49a05f1-be98-46fd-9aa2-80e9f2714a1c) - [Video: Here I am solving a PYQ from the 2012 All India board exam on inverse trigonometry, finding the principal value of tan inverse root 3 minus secant inverse minus 2.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/3f8619d6-1313-4926-9690-010832d71430) - [Video: This is another HOTS (High Order Thinking Skills) question from the Delhi 2013 board exam on inverse trigonometry. I explain the step-by-step process to find the principal value.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/79a58fc4-9eaa-4876-806b-2a5afe7c079d) - [Video: A previous year question on finding the principal value of a cos inverse expression. I break down how to handle the negative value inside the cosine inverse function.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/9cfdabd6-de95-43e2-a12c-c83e5413a845) - [Video: This is the same inverse trigonometry PYQ as the previous one, presented in a different format. Repetition helps reinforce the concept and method for solving these common questions.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/5dae1363-e735-4334-b633-2b838bba6bd6) - [Video: In this video, I solve a PYQ involving cot inverse. I explain how to simplify the expression inside the cot function first and then find the final value.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/9008d498-d1a7-44ce-a2ee-d70c5652771b) - [Video: A PYQ from All India 2014, this problem involves finding the principal value of a tan inverse function with a sine function inside it. I show how to solve it step-by-step.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/a0681e37-7868-4d72-ad2d-42a84d372002) - [Video: Students often get stuck when the angle is outside the principal range, like in this cos inverse (cos 680) problem. I explain how to use quadrant rules to bring the angle within range and find the correct answer.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/05404e1c-a5c1-4799-81b9-760cffbe7ee8) - [Video: This video explains how to solve a Class 12 inverse trigonometry problem involving both cos inverse and sin inverse with negative values, a common type of PYQ.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/1d1b7673-9c7e-4113-8c8e-6f4697855bf9) ## About Deep Dive: Class 12 Maths When you're dealing with 300 plus integration problems, simple memorization fails. The trick is to identify the underlying pattern early—whether it is using proper substitution or recognizing principal ranges in inverse trigonometry. My approach is to simplify these steps so you can tackle any High Order Thinking Skills (HOTS) question without panicking during the board exam. Board exams aren't just about hard work, they are about smart work. Most students get stuck on questions because they don't understand the 'why' behind the steps. In this cluster, we dive into Previous Year Questions (PYQs) from topics like Matrices, Inverse Trigonometry, and Calculus. ### Why Concept Clarity Matters My method is simple: break it down. Whether we are dealing with negative angles in trigonometric functions or proving matrix theorems, we remove the fear of the unknown. * **Inverse Trigonometry:** We focus on principal ranges and quadrant rules to ensure you don't lose marks on sign errors. * **Calculus & Integration:** Instead of memorizing 300 questions, we identify the strategy so you can solve variations of the same problem. * **Matrices:** We build the logic required to handle symmetric and skew-symmetric questions with ease. ### My Approach I conduct daily offline sessions at my Janakpuri center with a strict focus on discipline. Bring your books, arrive on time, and we will handle the rest. We use digital smart boards for visual learning and have dedicated doubt counters where you can get answers immediately after class. You aren't just a student here, you're a learner I'm committed to seeing succeed. ## About Ankur Ajmani I'm Ankur Ajmani. I don't just teach math, I help you stop fearing it. Whether it's a tricky integration problem or a matrix puzzle, my job is to make the concept click for you, like a big brother would. 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