Use identities to simplify the expression.sin x cos x sec x csc x
A. sec2 x
B. tan2 x
C. 1
D. csc2 x
Answer: C
Mathematics
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Graph.x2 - y2 = 8
A. 
B. 
C. 
D. 
Mathematics
Express the sum or difference as a product of sines and/or cosines.cos 
+ cos 
A. 2 cos(4?)
B. 2 sin(4?) sin 
C. 2 cos(4?) cos 
D. 2 sin(4?) sin ?
Mathematics
Solve the equation using the square root property.(2x - 5)2 - 81 = 0
A. {2, -7} B. {4, -14} C. {7, -2} D. {14, -4}
Mathematics
Solve the problem.Bob wants to fence in a rectangular garden in his yard. He has 62 feet of fencing to work with and wants to use it all. If the garden is to be x feet wide, express the area of the garden as a function of x.
A. A = 33x2 - x B. A = 30x - x2 C. A = 31x - x2 D. A = 32x - x2
Mathematics