The moulting hormone in insects is secreted by which

The value of (sin 60 º cos 30 º - cos 60 º sin 30 º)  is equal to:

Find the value of  `1/2`  cosec 10   -  `2/(cosec 70)`   ?

Find the value of sin(θ) if 2sinθ = tanθ, for 0 < θ < 90°.

The Value of (sin38˚)/(cos52˚)+ (cos12˚)/(sin78˚)- 4cos²60˚ is

If secθ + tanθ = 3+√10, then the value of sinθ+cosθ is

What is the value of (4/3) cot² (p/6) + 3 cos² (150^o) – 4 cosec² 45^o + 8 sin (p/2)?

(cos5°+sin5°)/(cos5°-sin5°) is equal to:

In a right triangle ABC, angle B = 90°. If tan A = 3/4 and the length of the hypotenuse is 25 cm, find the area of the triangle.