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Given 5 cos A - 12 sin A = 0, find the value ofsin A + cos A____________2 cos A - sin AICSE 1995 |
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Answer» Answer: 5cosA−12sinA=0 tanA= 12 5
Now, 2cosA−sinA sinA+cosA
MULTIPLY and divide by cosA = 2−tanA tanA+1
= 2− 12 5
12 5
+1
= 12 24−5
12 5+12
= 19 17
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