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11. Trigonometric Equations
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Q2 of 142 Page 11

Mark the Correct alternative in the following:

If cos x + √3 sin x = 2, then x =


cos 2x = (2-√3 sin x)2


1-sin2x = 4+3 sin2x-4√3 sin x


4 sin2x-4√3 sin x+3=0




Option A

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Questions · 142
11. Trigonometric Equations
1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8 8 9 9 10 10 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
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