Verify the identity.(tan ? + 1)2  + (tan ? - 1)2 = 2 sec2 ?

What will be an ideal response?


(tan ? + 1)2  + (tan ? - 1)2 = tan2 ? + 2 tan ? + 1 + tan2 ? - 2 tan ? + 1 = 2(tan2 ? + 1) = 2 sec2 ?

Mathematics

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Evaluate the integral.

A. 7 tan-1  -  + C
B. 7 sin-1  -  + C
C. sin-1  - 2 + C
D.  tan-1  +  + C

Mathematics

Graph the rational function.f(x) =   

A.

B.

C.

D.

Mathematics

Factor the trinomial, or state that the trinomial is prime.10x2 + 21x + 9

A. (2x - 3)(5x - 3) B. (2x + 3)(5x + 3) C. (10x + 3)(x + 3) D. prime

Mathematics

Solve the problem.The number of drops of supplement suggested for the Zywek plant is given by the expression: w + 50, where w is the size of its base leaf in inches. A Zywek plant gets 71 drops of supplement. Write an equation that will solve for the size of the base leaf in inches.

A. w = 50 + 71
B. w + 50 = 71
C. 71 + 50 = w
D. 71 + w = 50

Mathematics