determine-the-exact-value-of-the-following-expression-without-the-help-of-the-ca-3

Question

Determine the exact value of the following expression without the help of the calculator.

cos 18° sin 72° + cos 72° sin 18°

Accepted Answer

1

Answer

0

Answer

-1

Answer

2

Determine the exact value of the following expression without the help of the calculator.cos 18° sin 72° + cos 72° sin 18°