If assume that a is an angle in standard position whose terminal side contains the point (7,-24), can you find the values of sin a, cos a, tan a, csc a, cot a, and sec a?
The three main functions in trigonometry are sine, cosine and tangent. They are often shortened to sin, cos and tan. To calculate them, divide the length of one side by another side. Sin a equals Opposite / Hypotenuse. Cos a equals Adjacent / Hypotenuse. Tan a equals Opposite / Adjacent. The reciprocal ratios are cot a = 1 / tan a, csc a = 1 / sin a, and cos a = 1 / cos a.
Answered by Scott D. -
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