Question

find the value of a in each of the following equations is true (i) sin 3A = Cos 7A answer fast


CLASS 10

Answer 1

Step-by-step explanation:

sin 3A=0

sin 3A=sin 0

3A=0

A=0

$12 \times \frac{6}{7}$

cos 7A=0

cos 7A=cos 90

7A=90

A=90/7

A=