Question

Asked Jan 16, 2020

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how do you solve it and can you show me step by step

Step 1

Part (a):

Here in the given we use the Trigonometric identities then we can find the exact value of the given trigonometric function:

Step 2

Part (b):

Here we use the reciprocal identities, the cosecant function is the reciprocal of the sine function and the secant function is reciprocal of the cosine function, so, the function can be written as:

Step 3

Now use the following identity*: cos(x) =...*

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