Precal 4.1-4.3

Give the exact value. Do not use a calculator to find the answer. Cos 120 degrees

-1/2

Find the measures of two angles, one positive and one negative, that are coterminal with the given angle. 176 degrees.

-184 degrees and 536 degrees

Evaluate without a calculator. Sin theta, if cos theta=2/5 and tan theta less than 0

-sr21/5

Evaluate without using a calculator by using ratios in a reference triangle. Cos (-5pi/6)

-sr3/2

Give the exact value. Do not use a calculator to find the answer. Cos pi/3

1/2

From a distance of 41 feet from the base of a building, the angle of elevation to the top of the building is 69 degrees. Estimate the height of the building to the nearest foot.

107 ft

Convert the angle to degrees, minutes, and seconds. 33.08 degrees

33 degrees 4 minutes 48 seconds

The radius of a car wheel is 15 inches. How many revolutions per minute is the wheel making when the car is traveling at 30 mph. Round your answer to the nearest revolution.

336 rpm

From a boat on the lake, the angle of elevation to the top of a cliff is 28 degrees 57 min. If the vast of the cliff is 658 feet from the boat, how high is the cliff (to the nearest foot)?

344 ft

Convert from degrees to radians. Use the value of pi found on a calculator and round answers to four decimal places as needed. 324 degrees

5.6549 rad

A car wheel has a 15-inch radius. Through what angle (to the nearest tenth of a degree) does the wheel turn when the car rolls forward 2 ft?

91.7 degrees

Solve the right triangle for all missing sides and angles to the nearest tenth. c=7 B=17 degrees

A=73 degrees b=2.0 a=6.7

Choose the point on the terminal side of theta. Theta=150 degrees

B) (-sr 3,1)

Use a calculator to find the function value to four decimal places. Cot 43.8 degrees

B) 1.0428

Solve tan theta = square root of 3 for theta, where 0 degrees is less than or equal to theta and theta is less than or equal to 90 degrees.

B) 30 degrees

Find the value of the unique real number theta between 0 and 2pi that satisfies the given conditions. Sin theta=1/2 and tan theta is less than 0.

B) 5pi/6

Assume that theta is an acute angle in a right triangle satisfying the given conditions. Evaluate the indicated trigonometric function. Sin Theta = 2/3; cot theta

Cot theta = square root of 5/2

Find the 6 trig functions for the angle shown which passes through the point (5, - square root of 11)

Sin=-sr 11/6 cos=5/6 tan=-sr11/5 csc=-6sr11/11 sec=6/5 cot=-5sr11/11

Give the exact value. Do not use a calculator to find the answer. Sin 60 degrees

Square root of 3/2

Evaluate. Do not use a calculator. Cos (pi/6 + 2822pi)

Sr3/2