Chapter 4 Determinants and Matrices Ex 4.2 Chapter 4 Determinants and Matrices Ex 4.2 Question 1.Without expanding, evaluate the following determinants.Solution: Question 2. Solution: Question 3.Using properties of determinant, show…
Chapter 4 Determinants and Matrices Ex 4.1 Chapter 4 Determinants and Matrices Ex 4.1 Question 1.Find the values of the determinants. Question 2. Question 3.Solution: Comparing with x + iy,…
Chapter 3 Trigonometry – II Miscellaneous Exercise 3 Chapter 3 Trigonometry – II Miscellaneous Exercise 3 I. Select the correct option from the given alternatives. Question 1.The value of sin(n…
Chapter 3 Trigonometry – II Ex 3.5 Chapter 3 Trigonometry – II Ex 3.5 Question 1.In Δ ABC, A + B + C = π, show thatcos2A + cos2B +…
Chapter 3 Trigonometry – II Ex 3.4 Chapter 3 Trigonometry – II Ex 3.4 Question 1.Express the following as a sum or difference of two trigonometric functions.i. 2sin 4x cos…
Chapter 3 Trigonometry – II Ex 3.3 Chapter 3 Trigonometry – II Ex 3.3 Question 1.Find the values of: Question 2. Question 3. v. tan x + cot x =…
Chapter 3 Trigonometry – II Ex 3.2 Chapter 3 Trigonometry – II Ex 3.2 Question 1.Find the values of:i. sin 690°ii. sin 495°iii. cos 315°iv. cos 600°v. tan 225°vi. tan…
Chapter 3 Trigonometry – II Ex 3.1 Chapter 3 Trigonometry – II Ex 3.1 Question 1.Find the values of:i. sin 150°ü. cos 75°iii. tan 105°iv. cot 225°Solution: i. sin 15°…
Chapter 2 Trigonometry – I Miscellaneous Exercise 2 Chapter 2 Trigonometry – I Miscellaneous Exercise 2 I. Select the correct option from the given alternatives. Question 1.The value of the…
Chapter 2 Trigonometry – I Ex 2.2 Chapter 2 Trigonometry – I Ex 2.2 Question 1. A lies in the 2nd quadrant. We know that, B lies in the 4th…