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Given that cos42° is simpler to 0.743, What is the sine of the complementary angle?

Given that cos42° is simpler to 0.743, What is the sine of the complementary angle?
asked 69.8k views
3 votes
Given that cos42° is simpler to 0.743, What is the sine of the complementary angle?

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User Salomvary
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1 Answer

4 votes
cos 42° = 0.743

complementary angle of 42 = 90 - 42 = 58°

sin 58° = cos(90-58) = cos42° = 0.743
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User Phitsch
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