Use trigonometric identities to solve each equation in the interval [0, 2?]2 tan2 x - 3 sec x = 0

A. ?
B.
C.
D.


Answer: C

Mathematics

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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = - i; C is the region defined by the polar coordinate inequalities 2 ? r ? 4 and 

A. 0
B.
C.
D. - 

Mathematics

Translate the sentence to an algebraic inequality.The cost is less than or equal to $859.97.

A. x ? 859.97 B. x < 859.97 C. x > 859.97 D. x ? 859.97

Mathematics

Provide an appropriate response.The function f(x) = 0.81x + 168.3 models the cholesterol level of an American woman as a function of her age, x, in years. Use the function to find f(29).

A. 191.79 B. 3953.367 C. 198.11 D. 144.81

Mathematics

Provide an appropriate response. What length of bolt is needed to fasten two pieces of metal each  in. thick if a  in. lock washer is used and a  in. nut is used?

A.  in.
B.  in.
C.  in.
D.  in.

Mathematics