LevyOcampo
New member
- Joined
- Dec 9, 2020
- Messages
- 1
Instructions:
Use the angle difference identity to find the exact value of each. ( i'll only be posting one problem)
cos -15°
I know that it will first equal to cos 15° because of the identity property (cos(-x) = cos(x)) but I dont know what to do after. I put the problem in a math solver online but the steps are hidden. I really want to understand how to reach the answer
Use the angle difference identity to find the exact value of each. ( i'll only be posting one problem)
cos -15°
I know that it will first equal to cos 15° because of the identity property (cos(-x) = cos(x)) but I dont know what to do after. I put the problem in a math solver online but the steps are hidden. I really want to understand how to reach the answer