finding Trigonometric identities

[Jalen2418]

10. Use the given function value(s), and trigonometric identities (including the co-function identities), to find the indicated trigonometric functions.
sin 30° =

, cos 30° =

sin 60° and cos 60°

 

[Dr.Peterson]

10. Use the given function value(s), and trigonometric identities (including the co-function identities), to find the indicated trigonometric functions.
sin 30° =

, cos 30° =

sin 60° and cos 60°

What identity do you know that might relate sin 60° either to sin 30° or to cos 30°? They gave you a good hint.

Please follow our guidelines:

Posting Guidelines (Summary)

Welcome to our tutoring boards! :) This page summarizes main points from our posting guidelines. As our name implies, we provide math help (primarily to students with homework). We do not generally post immediate answers or step-by-step solutions. We don't do your homework. We prefer to help...

www.freemathhelp.com

 

[Jalen2418]

Thanks for the help, and I will follow the guide lines and if I break them just let me know and I will remove my post

 

[Steven G]

Draw a single triangle, label it correctly and read off the answer.