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I’m confused on this one

I’m confused on this one-example-1
User Urban
by
8.3k points

1 Answer

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Here is a general rule for sin and cos

sin x = cos (90 - x)

cos x = sin (90 - x)


These rules are complementary, so for your problem

cos 75 = sin (90 - 75) = sin 15 as your answer.

User Aruna
by
8.0k points

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