(English Medium) ICSE Class 9 - CISCE Question Bank Solutions

Solve the following equation for A, if `sqrt3` cot 2 A = 1

Solve the following equation for A, if 2 sin A = 1

Calculate the value of A, if (tan A - 1) (cosec 3A - 1) = 0

Calculate the value of A, if (sec 2A - 1) (cosec 3A - 1) = 0

Calculate the value of A, if cos 3A. (2 sin 2A - 1) = 0

Calculate the value of A, if (cosec 2A - 2) (cot 3A - 1) = 0

If sin 3A = 1 and 0 < A < 90^°, find cos 2A

If sin 3A = 1 and 0 < A < 90^°, find `tan^2A - (1)/(cos^2 "A")`

If 3 tan A - 5 cos B = `sqrt3` and B = 90°, find the value of A

Find the magnitude of angle A, if tan A - 2 cos A tan A + 2 cos A - 1 = 0

Find the magnitude of angle A, if 2 cos² A - 3 cos A + 1 = 0

Find the magnitude of angle A, if 2 tan 3A cos 3A - tan 3A + 1 = 2 cos 3A

Solve for x : cos  `(x)/(3)  –1` = 0

Solve for x : sin (x + 10°) = `(1)/(2)` 

Solve for x : cos (2x - 30°) = 0

Solve for x : 2 cos (3x − 15°) = 1

Solve for x : tan² (x - 5°) = 3

Solve for x : 3 tan² (2x - 20°) = 1

Solve for x : cos `(x/(2)+10°) = (sqrt3)/(2)`

Solve for x : sin² x + sin² 30° = 1