Question

If tan 3x = sin 45degree cos 45degree + sin 30degree, find the valueof x.

Answer 1

Answer:

x = 15°

Step-by-step explanation:

tan 3x = sin 45°cos45° + sin 30°

or, tan 3x = 1/2 + 1/2

or, tan 3x = 1

or, tan 3x = tan 45°

or, 3x = 45°

or, x = 15°