rebecca101 rebecca101

08-03-2017
Mathematics

contestada

what is the relationship between the sine and cosine of complementary angles? How do we know it is true?

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bandaraama bandaraama

08-03-2017

the relationships are obtained according to the sin wave and the cosine wave.
sin 90 = 1 while cosine 90 =0.
You can refer the wave forms for further details.

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