SOLUTION: Using one of the sum and difference identities, find the exact value of: cos(30{{{degrees}}}+45{{{degrees}}})

SOLUTION: Using one of the sum and difference identities, find the exact value of: cos(30{{{degrees}}}+45{{{degrees}}})

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Question 682759: Using one of the sum and difference identities, find the exact value of:
cos(30+45)
Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!

Use your unit circle or 45,45,90 and 30,60,90 triangles to evaluate:

Simplify:

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