Use the inverse trig functions to express the angle in terms of the indicated unknown side. 
Express angle A in terms of c. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = cos-1 
B. A = sin-1 
C. A = sin-1 
D. A = cos-1 
Answer: B
Mathematics
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A. -4x2 + 31x + 31 B. -4x2 - 21x + 31 C. -4x2 + 31x - 21 D. -4x2 + 29x - 21
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Graph the exponential function.y = 
x + 1 
A. 
B. 
C. 
D. 
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Factor completely. If the polynomial is prime, state so.512p3 + 1
A. (8p + 1)(64p2 + 8p + 1) B. (8p + 1)(64p2 - 8p - 1) C. (8p + 1)(64p2 - 8p + 1) D. (8p + 1)(64p2 + 1)
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Approximate f(x) to four decimal places.f(x) = 3
, x = -1.7
A. 1.3653 B. 2.9053 C. -0.4551 D. -1.3653
Mathematics