A right triangle with acute angle ? is given. Evaluate the indicated trigonometric function of the acute angle ?.Find sin ?.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Evaluate the improper integral.
A. -6 B. 0 C. 12 D. 4
Mathematics
Solve.A 59-kg skateboarder on a 3-kg board starts coasting on level ground at 
. Let k = 3.2 kg/sec. About how far will the skater coast before reaching a complete stop?
A. 135.63 m B. 387.19 m C. 3964.80 m D. 80.91 m
Mathematics
Use sum-to-product identities to rewrite the expression as a product.sin 51° - sin 21°
A. 2 sin 36° cos 15° B. -2 sin 36° sin 15° C. 2 cos 36° sin 15° D. 2 cos 36° cos 15°
Mathematics
Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log? 300
A. 1.1447 B. 0.2007 C. 4.9827 D. 5.7038
Mathematics