SOLUTION: find values of the trigonometric functions of the angle (in standard position) whose terminal side passes through the given point (8,2)

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Question 1023331: find values of the trigonometric functions of the angle (in standard position) whose terminal side passes through the given point (8,2)

Answer by ikleyn(52788) About Me  (Show Source):
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find values of the trigonometric functions of the angle (in standard position) whose terminal side passes through the given point (8,2)
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r = sqrt%28x%5E2+%2B+y%5E2%29 = sqrt%288%5E2+%2B+2%5E2%29 = sqrt%2868%29 = 2%2Asqrt%2817%29.

sin(x) = y%2Fr = 2%2F%282%2Asqrt%2817%29%29 = 1%2Fsqrt%2817%29.

cos(x) = x%2Fr = 8%2F%282%2Asqrt%2817%29%29 = 4%2Fsqrt%2817%29.

Find yourself the remaining functions.