Q. 3

# If <span lang="EN

Given:

Since, θ is in IInd Quadrant. So, cos and tan will be negative but sin will be positive.

Now, we know that

Putting the values, we get

…(i)

We know that,

sin2 θ + cos2 θ = 1

Putting the values, we get

[from (i)]

Since, θ in IInd quadrant and cosθ is negative in IInd quadrant

Now,

Putting the values, we get

Now,

Putting the values, we get

Now,

Putting the values, we get

Hence, the values of other trigonometric Functions are:

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