rekhakumari897 rekhakumari897

08-10-2020
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9. Given 5 cos A - 12 sin A = 0, find the value of
sin A + cos A
(ICSE 1995)
2 cos A - sin A

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mali4cubs mali4cubs

08-10-2020

17/19

A + cos A = sinA + 12/5 sinA = 17sinA / 5
Also, 2cosA - sinA = 24/5 sinA - sinA = 19 sinA/5

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