For - -4- 4- the trigonometric equation cos-12 will have solutions-

Given: nbsp; cos x= 12 for nbsp; x∈ [ 4π, 4π] Let's draw the graphs of y=cos x and y=12. From the above graph we can see that there are 8 points of interse ...

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For θ∈ [-4π, ...

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For $θ \in [- 4 π, 4 π],$ the trigonometric equation $cos θ = - \frac{1}{2}$ will have solutions.

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Solution

The correct option is A $8$
Given: $cos x = - \frac{1}{2}$ for $x \in [- 4 π, 4 π]$
Let's draw the graphs of $y = cos x$ and $y = \frac{1}{2}$ .

From the above graph we can see that there are $8$ points of intersection in required interval.
$∴$ No. of solutions $= 8$

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For θ∈[−4π,4π], the trigonometric equation cosθ=−12 will have solutions.

The correct option is A 8 Given: cosx=−12 for x∈[−4π,4π] Let's draw the graphs of y=cosx and y=12. From the above graph we can see that there are 8 points of intersection in required interval. ∴ No. of solutions =8

For $θ \in [- 4 π, 4 π],$ the trigonometric equation $cos θ = - \frac{1}{2}$ will have solutions.

The correct option is A $8$
Given: $cos x = - \frac{1}{2}$ for $x \in [- 4 π, 4 π]$
Let's draw the graphs of $y = cos x$ and $y = \frac{1}{2}$ .

From the above graph we can see that there are $8$ points of intersection in required interval.
$∴$ No. of solutions $= 8$