Find the sign of cos t sin t if the terminal point determined by t is in quadrant II.
What will be an ideal response?
negative
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Solve the problem.A railroad bridge is built over a V-shaped canyon. If the supports are 3 feet long at each end, the center support is 243 feet long, and the supports increase in length by 2 feet with each support (from 3 feet to 243 feet), what is the total length of all the supports?
A. 29,525 ft B. 29,521 ft C. 29,523 ft D. 29,520 ft
Evaluate the derivative.f(t) = 5 tanh-1 
A. 
B. 
C. 
D. 
Provide an appropriate response.Give the signs of the three trigonometric functions of the vector with the endpoint (2, 8).
A. sine, negative; cosine, negative; tangent, negative B. sine, negative; cosine, positive; tangent, positive C. sine, positive; cosine, positive; tangent, positive D. sine, positive; cosine, negative; tangent, positive
Solve the equation.
= 
A. No solution
B. - 1, - 
C. 1, 
D. 1