Question

2 cos 3x= root 3 find the value of x​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

The value of x can be 10° and 110°

Step-by-step explanation:

According to the question,

cos3x= $\frac{\sqrt{3} }{2}$

∴

3x= $cos^{-1} \frac{\sqrt{3}}{2}$

• If considered in first quadrant,

3x= 30°

∴

x= 10°

The value of x is 10°.

• If considered in 4th quadrant,

3x= 360°-30°

3x=330°

x=110°

The value of x is 110°.

The value of x can be 10° and 110°