Select all the correct answers. 2x
If the measure of angle 8 is 3, which statements are true?
o tan(8)
= -V3
sin(0) =
-1
The measure of the reference angle is 45°
The measure of the reference angle is 60°
The measure of the reference angle is 30°.
cos(8) =

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)

How many verticies does a triangular prims have

Change negative exponents to positive. then solve. round to four decimal places