Use the given trigonometric function value of ? to find the requested trigonometric function value of the acute angle ?. Rationalize the denominator where necessary.tan ? = 3Find cos ?.

A.
B.
C.
D.


Answer: C

Mathematics

You might also like to view...

Provide an appropriate response.Evaluate: 20 - 10 ÷ 5 + 23

Fill in the blank(s) with the appropriate word(s).

Mathematics

Identify the rate, base, and portion. What percent of 19 is 8?

A. rate (%) = 8% base (of) = 19  portion (is) = unknown number B. rate (%) = 8% base (of) = unknown number  portion (is) = 19 C. rate (%) = unknown number  base (of) = 19  portion (is) = 8 D. rate (%) = unknown number  base (of) = 8 portion (is) = 19%

Mathematics

Find the volume of the solid of revolution obtained by revolving the region bounded by the graphs of the given functions about the x-axis. ?  and 

What will be an ideal response?

Mathematics

Simplify the rational expression.

A.
B.
C.
D.

Mathematics