Evaluate the integral.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Provide an appropriate response.For approximately what values of x can cos x be replaced by 
with an error of magnitude no greater than 
?
A. |x| < 0.22894 B. |x| < 0.33098 C. |x| < 0.23403 D. |x| < 0.14422
Mathematics
Determine if the equation is an identity.cos (A + B) + cos (A - B) = 2 sin A sin B
A. Yes B. No
Mathematics
Solve for x.42x + 1 = 64
A. x = -1 B. x = 16 C. x = 4 D. x = 1
Mathematics
Find the required part of the geometric sequence.Find the number of terms of a geometric sequence with the first term 3, common ratio -3, and last term 243.
A. 7 B. 6 C. 4 D. 5
Mathematics