Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem. Use 3.14 for ?.A rectangular Persian carpet has a perimeter of 168 inches. The length of the carpet is 18 inches more than the width. What are the dimensions of the carpet?
A. 75 in. by 93 in. B. 51 in.by 69 in. C. 33 in. by 51 in. D. 66 in. by 84 in.
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Find the exact value of y, or state that y is undefined.y = cos-1 0
A. ?
B. undefined
C. 0
D. 
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Classify as true or false, assuming that a, b, c, and d are whole numbers and d ? 0.If d
, then d
or d
.
A. True B. False
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Find parametric equations for the rectangular equation.y = x4 + 3
A. x = t2, y = t2 + 3; 0 ? t < ? B. x = t2, y = t4 + 3; 0 ? t < ? C. x = t, y = t2 + 3; 0 ? t < ? D. x = t, y = t4 + 3; 0 ? t < ?
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