SOLUTION: Perform the multiplication and use fundamental identities to simplify:
(sin x + cos x)^2
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Question 105526This question is from textbook Precalculus with limits
: Perform the multiplication and use fundamental identities to simplify:
(sin x + cos x)^2
This question is from textbook Precalculus with limits
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
(sin x + cos x)^2
Using the FOIL Method,
FOIL method.
You know the following trig identity,
Substitute that in your equation,
Another indentity (fundamental identity, I think) is,
Substitute that into your equation,
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