Pre-calc S2 final exam review

Exponential and Logarithmic Growth

100

log1000

3

200

log₄ 168
Round your answer to the nearest tenth.

3.7

300

Condense into a single logarithm.

log5+logx

log5x

400

Expand the logarithm.

log(x²/10)

2logx - log10

500

Use logarithms to solve the equation:

10^x=750

Round to the nearest tenth.

x= 2.9

Radians and Degrees

100

pi/4 radians

is how many degrees?

45 degrees

200

360 degrees is how many radians?

2pi radians

300

Use the unit circle to find sin 3pi/4 radians.  Leave your answer in radian mode (using pi).

(square root of 2) /2

400

What is the amplitude of f(x)= 4sin(x + pi) - 10?

The amplitude is 4

500

Find the arc length of a 120 degree segment of a circle if the circle has a radius of 13 inches.  Round to the nearest whole number.

The arc length is 27 in²

Trig functions and triangles

100

What does SOH CAH TOA stand for?

sinx = opposite/hypotenuse

cosx = adjacent/hypotenuse

tanx = opposite/adjacent

200

Find the missing side.  Round to the nearest tenth.

(Pearson #13)

14.6

300

Find the missing side.  Round to the nearest tenth.

(Pearson #17)

23.8

400

Use Law of Sines to find the measure of angle A.  Round to the nearest degree.

(Infinite trig #2)

52 degrees

500

Use Law of Cosines to find the measure of angle C to the nearest degree.

(Infinite Trig #3)

137 degrees