In any right triangle, the acute angles are complementary; that is, their sum is 90°. Use the trigonometric ratios to verify that the sine of an angle is equal to the cosine of its complement.

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asked Jul 22, 2018 95.2k views

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In any right triangle, the acute angles are complementary; that is, their sum is 90°. Use the trigonometric ratios to verify that the sine of an angle is equal to the cosine of its complement.

Mathematics
high-school

Matthew Walk asked

by Matthew Walk

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it can be proved in this way. hope this helps.

In any right triangle, the acute angles are complementary; that is, their sum is 90°. Use-example-1

Jeff Dallien answered Jul 27, 2018

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