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Woworks · Answer 1 · 2019-10-30T17:04:58+0000

check the picture below.

notice, in a right-triangle, there is a right-angle, thus is called a right-triangle, and the other angles are complementary angles.

notice the relation of the cosine and sine of each, in the example in the picture.

In right triangle PQR, P and Q are complementary angles. The value of sin Q is 9/41. What-example-1

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