Multiply or divide as indicated. Write the answer in scientific notation.
A. 2 × 10-8
B. 2 × 10-1
C. 2 × 1015
D. 2 × 10-2
Answer: D
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Use a calculator to verify the value found by using the double-angle formulas.Find sin 118° directly and by using functions of 59°.
A. -0.982 B. 0.8572 C. 1.7144 D. 0.8829
Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region in the first quadrant bounded by x = 4y - y2 and the y-axis about the x-axis
A. 32?
B. 
?
C. 64?
D. 
?
Use the reciprocal and quotient identities to find the indicated function value.csc ? = 
, cot ? = - 
; find cos ?
A. 
B. - 
C. - 
D. 
Find all values of ? in [0°, 360°) that satisfy the equation.2 sin 2? - 
= 0
A. {30°, 150°, 210°, 330°} B. {30°, 60°, 210°, 240°} C. {60°, 120°, 240°, 300°} D. {60°, 150°, 240°, 300°}