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Damm [24]
3 years ago
14

Verify the identities.

Mathematics
1 answer:
sasho [114]3 years ago
4 0
cos(4u)=cos(2u+2u) \\ =cos(2u)cos(2u) - sin(2u)sin(2u) \\ = cos^{2} (2u)- sin^{2} (2u)
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3 years ago
Please find the length of the diagonal, thanks. Will give brainliest
rodikova [14]
Answer is 12.73
Use Pythagorean theory
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2 years ago
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4 0
3 years ago
Angle abd measures (4x+10). angle acd measures (5x-2). what is the measure of arc ad
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