Answer:
cos13°
Step-by-step explanation:
Using the cofunction identity
sinx° = cos(90 - x)°
sin77° = cos(90 - 77)° = cos13°
The first, third, fifth, and last one are right. Do you want me to show you the steps or are u good
Answer:
Step-by-step explanation:
<u>Given function:</u>
<u>Find g(-9):</u>
- g(-9) = (-9)² + 3(-9) = 81 - 27 = 64
