Verify that the given equation is an identity.tanh2x = 1 - sech2x

What will be an ideal response?

1 - sech2x = 1 - 2
 = 1 - 
 = 
 = 
 = 
 =  Divide top and bottom by 4 
 = 
 = tanh2x

Mathematics

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What will be an ideal response?

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A. ln  + C
B. ln  + C
C.  + C
D.  + C

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Simplify.2

A.
B.
C.
D.

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Multiply. Simplify if possible.150 ? 

A. 90 B. 200 C. 120 D. 150

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