Verify the identity.csc2 x - cos x sec x= cot2 x
What will be an ideal response?
csc2x - cos x sec x = csc2x - cos x ? 
= csc2x - 1 = cot2x
Mathematics
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Solve the problem.Thompson's Hardware spent $15,670 this year on advertising alone. If total sales were $790,100, what percent of total sales was spent on advertising? Round to the nearest tenth of a percent, if necessary.
A. 504% B. 0.2% C. 50.4% D. 2%
Mathematics
Sketch the graph of the parabola.y = - 
(x + 7)2 - 3
A. 
B. 
C. 
D. 
Mathematics
Evaluate.P(8, 1)
A. 8 B. 40,320 C. 1 D. 0
Mathematics
Divide and simplify.
A. m2n3 B. m13n11 C. m3n5 D. (mn)8
Mathematics