Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = -
, cos ? > 0Find cos 
.
A. 
B. - 
C. 
D. - 
Answer: B
You might also like to view...
Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = x2 - 3, [0, 8], left-hand endpoint
A. 
B. 
C. 
D. 
Use a calculator to find the value of y in degrees rounded to two decimal places.y = tan-1 (-3.556)
A. 105.71° B. -74.29° C. 285.71° D. -22.63°
Classify as either true or false.The distance between x and y can be represented as |x + y|.
A. True B. False
Factor completely. If the polynomial is prime, say so.16p4 - 81q4
A. (2p + 3q)(2p - 3q)(4p2 + 9q2) B. (2p + 3q)3(2p - 3q) C. (2p + 3q)(2p - 3q)(4p2 - 9q2) D. (2p + 3q)(2p + 3q)(4p2 - 9q2)