Question

If the cos 90° = 0, then the sin 0° = _____. (will give medal)

Answer 1

For the answer to the question above, this is for the given angle, the sum of its cosine and sine should always be equal to 1. Given that cos 90° = 0 will give an answer for its sine equal to 1. You may also check the table of trigonometric functions or your calculator. I hope this helps