If sin4A = cos (A - 30)

Open in App

Solution

Given, sin4A = cos (A - 30)

cos(90 - 4A) = cos(A - 30)

90 - 4A=A - 30

5A = 120

A =24

Suggest Corrections

Similar questions

If sin4A = cos (A - 30°), then find the value of A which satisfies the given equation.

If sin4A = cos(A - 30), where 4A and (A - 30) are acute angles, then the value of A is ___.

If cos A + cos² A = 1, then sin² A + sin⁴ A is

cos A + {cos}^{2} A = 1,

{sin}^{2} A + {sin}^{4} A

Join BYJU'S Learning Program