Use identities to find the exact value of the expression.sin2 20° + cos2 20°

A. 0.04
B. 0
C. 1
D. 0.20


Answer: C

Mathematics

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Write as a percent. Round your answer to the nearest tenth, if necessary.

A. 12.3% B. 11.1% C. 90% D. 1.1%

Mathematics

Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 3x, y = - , x = 1

A. ?
B. ?
C. 10?
D. ?

Mathematics

Graph the function.g(x) = log1/5 x

A.

B.

C.

D.

Mathematics

Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log69 + log64

A. log636 B. 2log66 C. log613 D. 2

Mathematics