Evaluate the trigonometric function. Round the answer to two decimal places.cos 31°
A. 0.91
B. 0.86
C. 0.95
D. 0.82
Answer: B
Mathematics
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Find the difference and simplify the answer. 
- 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression for the given replacement values. Write the answer in simplest form.xy for x = 
, y = - 
A. - 
B. 
C. - 
D. -5
Mathematics
Find the function value using a calculator set in RADIAN mode. Round the answer to four decimal places, where approximate.csc 4.13
A. -1.1974 B. -0.5500 C. -1.8181 D. -0.8352
Mathematics
Determine the degree of the polynomial.u2 + 6u6v3 - 2uv - 2u - 7
A. 9 B. 11 C. 6 D. 14
Mathematics