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

User Salomvary
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cos 42° = 0.743

complementary angle of 42 = 90 - 42 = 58°

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