Q16 of 142 Page 11

Mark the Correct alternative in the following:
The equation 3 cos x + 4 sin x = 6 has …. Solution

4sin x = 6-3cos x

16sin²x = 36+9cos²x-36cos x

16-16 cos²x =36+9cos²x-36cos x

25cos²x-36cos x+20=0

As both the roots are imaginary there exists no value of x satisfying this given equation.

No Solution

Option D

Mark the Correct alternative in the following:

The number of values of x in [0, 2π] that satisfy the equation

Mark the Correct alternative in the following:

If e^{sin x} – e^{– sin x} – 4 = 0, then x =

Mark the Correct alternative in the following:

If then general value of θ is

Mark the Correct alternative in the following:

General solution of tan 5x = cot 2x is

Questions · 142

11. Trigonometric Equations

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Mark the Correct alternative in the following:The equation 3 cos x + 4 sin x = 6 has …. Solution