Mathematics
If cosec θ = √5, find the value of : (i) 2 - sin^2 θ - cos^2 θ (ii) 2 + 1/sin^2 θ - cos^2 θ/sin^2 θ
Related Questions
Assertion (A): If A = 30°, the value of 4 sin A sin (60° - A) sin (60° + A) = 1.
Reason (R): 60° - A = 30° and 60° + A = 90°.
A is true, but R is false.
A is false, but R is true.
Both A and R are true, and R is the correct reason for A.
Both A and R are true, and R is the incorrect reason for A.
If 3 cos A = 4 sin A, find the value of :
(i) cos A
(ii) 3 - cot2 A + cosec2 A