Question

What is the value of x?

sin55°=cosx

Enter your answer in the box.

x =
°

Answer 1

x=35°

Step-by-step explanation

The sine and cosine ratio are complementary trigonometric ratios.

This means that:

sin(A)°=cos(90-A)°

The given equation is:

sin(55)°=cos(x).

This implies that,

x=90-55

x=35°