Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, tan ? < 0Find sin (2?).
A. 
B. 
C. - 
D. 
Answer: D
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Decide whether the statement makes sense. Explain your reasoning.Jose's car gets about 20 miles to the gallon. He is thinking of buying a new fuel-efficient car which gets 
miles to the gallon and which costs $25,000. He reasons in this way: " I drive about 300 miles per week. Gas costs about $3.50 per gallon. That means I'll save $1365 per year on gas. That means that if gas remains at $3.50 per gallon it will be about 18 years before the car has paid for itself. I don't think I can justify buying the new car. "
What will be an ideal response?
Find the indicated sum.
A. 71 B. 90 C. 33 D. 45
Solve the problem.Two angles of a triangle are 40° and 60°. What is the measure of the third angle?
A. 100° B. 260° C. -10° D. 80°
Biological and environmental factors that are associated with a certain historical event, such as the bombing of Pearl Harbor, can be considered what?
A. age-graded influences B. history-graded influences C. sociocultural-graded influences D. non-normative life events