<meta http-equiv="refresh" content="1; url=/nojavascript/"> Sum to Product Formulas for Sine and Cosine ( Video ) | Trigonometry | CK-12 Foundation
Dismiss
Skip Navigation

Sum to Product Formulas for Sine and Cosine

%
Best Score
Practice Sum to Product Formulas for Sine and Cosine
Practice
Best Score
%
Practice Now

Sum to Product and Product to Sum Identities

Sum to Product and Product to Sum Identities

Uses trigonometric identities to rewrite trigonometric expressions and evaluate functions.

Reviews

Email Verified
Well done! You've successfully verified the email address .
OK
Please wait...
Please wait...

Original text