Question

Trig Question Pls help
Beginner at Trig
WILL FAN AND MEDAL

Answer 1

\[\cos(\alpha+\beta+\gamma)+\cos(\alpha+\beta-\gamma)+\cos(\alpha-\beta+\gamma)+\cos(-\alpha+\beta+\gamma)=4\cos \alpha \sin \beta \sin \gamma\]

Answer 2

@Purplerainbowcherry

Answer 3

hmm just gimme a sec, this will take me some time because I'm kinda slow at this

Answer 4

okies ty

Answer 5

well i have no idea how to solve it :P

http://www.math.utah.edu/~gupta/MATH1060Fall2012/FormulaSheet.pdf

maybe this will be able to help you?

Answer 6

thanks

Answer 7

no problem, sorry i couldnt help further :/