Angle θ lies in the second quadrant, and sin θ= 3/5.

Cos θ =
A. -4/5
B. -3/5
C. 3/5
D. 4/5

Tan θ =
A. -4/3
B. -3/4
C. 3/4
D. 4/3

Solutions for 2x+7 less than or equal to 3x-5

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis