Question

Given that cos 27° = 0.891, enter the sine of a complementary angle.
sin

Answer 1

9514 1404 393

Answer:

sin(63°) = 0.891

Explanation:

The cosine of an angle is the sine of its complement. The angle with a sine of 0.891 is 90° -27° = 63°.

sin(63°) = 0.891