Give the degree measure of ?.? = cot-1 

A. 30°
B. -30°
C. 60°
D. 45°


Answer: A

Mathematics

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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = -19t + 3, s(0) = 12

A. s = -t2 + 3t - 12
B. s = -t2 + 3t + 12
C. s = -19t2 + 3t + 12
D. s= t2 + 3t - 12

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When a rock is tossed upward, its velocity at the peak of its flight is 0.

Answer the following statement true (T) or false (F)

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Find the requested function value of ?.Find csc ?, if sin ? = 0.6870.

A. 1.376 B. 0.9454 C. 0.7280 D. 1.456

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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45

A. 262,144 B. 16,777,216 C. 16,384 D. 1,048,576

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