Question

If 3sin+4cos =5 then find the value of 4sin-3cos

Answer 1

Answer:

Step-by-step explanation:

(3 sin x + 4 cos x)^2 +

+ (4 sin x - 3 cos x)^2 = 25

25 + (4 sin x - 3 cos x)^2 = 25

(4 sin x - 3 cos x)^2 = 0

4 sin x - 3 cos x = 0.