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andreyandreev [35.5K]
3 years ago
11

I’m confused on this one

Mathematics
1 answer:
Vinil7 [7]3 years ago
8 0

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.

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