Use the fundamental identities and simplify the expression to get a numerical value.cos x (csc x - sec x) - cot x
A. -1
B. 0
C. cos2x - tan2x
D. 1
Answer: A
Mathematics
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pital's rule to find the limit.
A. 14 B. -11 C. 10 D. 17
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Solve.Dave can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 37 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.
A. 5
mph
B. 4
mph
C. 7
mph
D. 7
mph
Mathematics
Solve the problem.If one must always move downward in the grid shown, how many paths are there from the highest point to the rightmost of the two low points?
A. 10 B. 12 C. 14 D. 8
Mathematics
Verify the identity.1 + sec2x sin2x = sec2x
What will be an ideal response?
Mathematics