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Deepak Bora
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Asked: 2020-07-01T06:51:40+05:30 In:

Given 15 cot A = 8, find sin A and sec A.

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this is question number 4 of exercise 8.1 introduction to trigonometry class 10th. please help to solve it

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      Given 15 cot A = 8, find sin A and sec A.

      Given.   15cotA = 8

                       CotA = 8/15

                       CotA = B/P

              using Pythagoras theorem we can find the third side,

      Therefore H = 17

             sinA = P/H = 15/17

             SecA = H/B =17/8

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