Verify the identities can be proven.   A) (1+cos x )/(1-cos x) - (1-cos x )/(1+cos x )=4 cot x csc x B)( using the right side as the more complicated side.) (1 - sin x)/(1 + sin x) = sec^2 x - 2 sec x tan x + tan^2 x

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A: Please refer to the image below

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A: What is the slope of the graph y = -x² at x = 3?

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A: We can find the sin and tan values as below

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A: Given query is to rewrite the expression.

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A: The triangle ABC has measures a=22, b=14, c=30

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A: We know the following.

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A: We need to graph  y=1/(2 tan 2x)

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A: we know that tangent A =tan Afrom ∆ABCtan A=BCAC

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Q: 4 cot x)sec& ) .

A: cotx = cosxsinx. secx = 1cosx csc x =1sinx

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A: On solving this we will get

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