Find the exact value under the given conditions.Given tan ? = 
, with ? in quadrant III, and cos ? = - 
, with ? in quadrant II. Find sin (? + ?).
A. 
B. 
C. 
D. - 
Answer: D
Mathematics
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Simplify the numerical expression below.-39 (-75 - 60)
A. 11,286 B. -174 C. 5,265 D. 585 E. none of these
Mathematics
Evaluate the integral.
A. - 
e-x4 + C
B. - 
e-x5 + C
C. e-x4 + C
D. -4e-x5 + C
Mathematics
Rationalize the denominator of each fraction.
A. 
B. 
C. 1
D. 
Mathematics
Complete the identity.
+ 
= ?
A. -2 tan2 x B. sin x tan x C. 1 + cot x D. sec x csc x
Mathematics