Q9 of 142 Page 11

Mark the Correct alternative in the following:
The smallest positive angle which satisfies the equation is

2(1-cos²x)+√3cos x +1 = 0

2 - 2 cos²x + √3cos x +1 = 0

2 cos²x - √3cos x -3 = 0

Option A

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The number of solution in [0, π/2] of the equation cos 3x tan 5x = sin 7x is

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The general value of x satisfying the equation is given by

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If 4 sin² x = 1, then the values of x are

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If cot x – tan x = sec x, then x is equal to

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

Mark the Correct alternative in the following:The smallest positive angle which satisfies the equation is