Use basic identities to simplify the expression.tan2? csc2?
A. sin ?
B. sec2?
C. cos3?
D. tan2?
Answer: B
Mathematics
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Use the square root property to solve the equation.x2 = 135
A. 
B. 15
C. -3
, 3
D. 3
Mathematics
Use the counting principle to obtain the answer.A local department store sold carpets in 4 sizes. Each carpet came in 3 qualities. One size of carpet came in 7 colors. The other sizes came in 3 colors. How many choices of carpet were there?
A. 55 B. 52 C. 48 D. 57
Mathematics
Solve the equation for the indicated variable.A = 
bh
for b
A. b = 
B. b = 
C. b = 
D. b = 
Mathematics
Find the x- and y-intercepts of f.f(x) = 3x - x3
A. x-intercepts: 0, 
, -
; y-intercept: 3
B. x-intercepts: 0, 
, -
; y-intercept: 0
C. x-intercepts: 0, -3; y-intercept: 0
D. x-intercepts: 0, -3; y-intercept: 3
Mathematics