Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sin
= cos
A. 
, 
B. 0, ?
C. ?
D. 0, 
, ?, 
Answer: B
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The function graphed is of the form y = a tan bx or y = a cot bx, where b > 0. Determine the equation of the graph.
A. y = 2 tanx B. y = tan 2x C. y = 2 cot x D. y = -cot 2x
Solve.A planet orbits the sun every 31.9 years. Write this decimal in words.
A. thirty-one and nine hundredths B. thirty-one and nine tenths C. thirty-one and nine thousandths D. thirty-one and nine millionths
If the following number is a composite number, write it as a product of prime factors. Otherwise, identify it as prime.700
A. 5 ? 5 ? 5 ? 5 ? 7 B. 2 ? 2 ? 2 ? 5 ? 5 ? 7 C. 2 ? 2 ? 5 ? 5 ? 7 D. 2 ? 2 ? 2 ? 2 ? 7
Solve the problem.The cost in millions of dollars for a company to manufacture x thousand automobiles is given by 
Find the output at the vertex of the parabola (the number of automobiles that must be produced to minimize the cost).
A. 6 thousand automobiles B. 9 thousand automobiles C. 54 thousand automobiles D. 3 thousand automobiles