Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sec ? = 4, 0 < ? < Find cos .

A.
B.
C.
D.


Answer: C

Mathematics

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Replace the Cartesian equation with an equivalent polar equation.x2 + (y - 17)2 = 289

A. r = 34 sin ? B. r2 = 34 cos ? C. r = 17 sin ? D. r = 34 cos ?

Mathematics

Find the value. Give an approximation to four decimal places.ln 

A. -2.1531 B. 1.7079 C. 7.3330 D. 1.9169

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Solve the application.Ellen is knitting a scarf with one 1 inch blue stripe, one 2 inch green stripe, and one 4 inch white stripe. How wide is the scarf?

A. 7 inches
B.  inch
C.  inch
D. 2 inches

Mathematics

Divide using synthetic division, and write a summary statement in fraction form.

A. 3x4 - 2x3 + 6x2 - 12 + 
B. 3x4 - 2x3 + 4x2 - 6x + 12 + 
C. 3x4 + 2x3 + 4x2 + 8x + 
D. 3x4 - 2x3 + 4x2 + 6 + 

Mathematics