If you know this can you tell me how to do it?

c

Step-by-step explanation:

Here's how this works:

Get everything together into one fraction by finding the LCD and doing the math.  The LCD is sin(x) cos(x).  Multiplying that in to each term looks like this:

In the first term, the cos(x)'s cancel out, and in the second term the sin(x)'s cancel out, leaving:

Put everything over the common denominator now:

Since , we will make that substitution:

We could separate that fraction into 2:

×

 and  

Therefore, the simplification is

sec(x)csc(x)

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d

step-by-step explanation:

i dont know sorry

step-by-step explanation: