'करने की इच्छा' के

If cos2B = sin(1.5B + 48^o), then find the measure of 'B'.

Calculate the maximum and minimum value of (8cosA + 15sinA + 15), if 'q' lies in the first quadrant.

If sec A + tan A = 4 and sec A - tan A = (1/4), find the value of cos A.

What is the value of 1/(1+tan ² θ ) + 1 / (1+cot ² θ ) = ?

If cos 2x = 1/2, then the value of x:

If 0 ≤ θ ≤ 90°, and sin(2 θ +50°) = cos (4 θ + 16°), then what is the value of θ (in degrees)?

If  tan 12θ x tan 6θ = 1 then the value of tan 9θ is

Find the value of the given expression.

2 × (sec 60° – sin 30°)