given that cos 42° ~0.743 what is the sine of the complementary angle

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04-03-2018
Mathematics

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given that cos 42° ~0.743 what is the sine of the complementary angle

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jdoe0001 jdoe0001 · Answer 1 · 2018-03-04T23:48:15+01:00

jdoe0001 jdoe0001

04-03-2018

check the picture below, notice that is just an example relating the cosine and sine values in a right-triangle of the complementary angles.

so if the cos(42°) is "whatever", the sin(90° - 42°) is then, well, you know already.

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