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How do i write cos 15° in terms of sine?

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2001

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How do i write cos 15° in terms of sine?

Guest Mar 5, 2015

Best Answer

+118703

+5

the co in cosine stands for complementary.

complementary angles add to 90 degrees.

so

$cos15=sin(90-15)$

Melody Mar 5, 2015

1⁺⁰ Answers

+118703

+5

Best Answer

the co in cosine stands for complementary.

complementary angles add to 90 degrees.

so

$cos15=sin(90-15)$

Melody Mar 5, 2015

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