Ch. 4-1
Ch. 4-2
Ch. 4-3
Ch. 4-6
Ch. 4-7
100
If
sin theta =1/3
find the exact value of sec θ.
sec theta =(3sqrt8)/8
100
Rewrite the degree measure in radians.
330°
(11pi)/6
100
The terminal side of 𝜃 in standard position contains the point (1,2). Find the exact value of tan 𝜃.
tan theta=2
100
Find the exact value of the expression, if it exists.
arcsin(-sqrt3/2)
-pi/3
100
Find the area of the triangle below. Round to the nearest tenth, if necessary.
27.9 mm^2
200
Find the value of x. Round to the nearest tenth, if necessary.
35.3
200
Find an angle with a positive measure and an angle with a negative measure that are coterminal to the angle below.
205˚
565˚, -155˚
200
Sketch the angle. Then find its reference angle.
115˚
200
Find the exact value of the expression, if it exists.
cos^-1(-2)
DNE
200
Solve the triangle. Round side lengths to the nearest tenth and angle measures to the nearest degree.
C=30˚, b=11.1,c=5.8
300
Find the measure of angle θ. Round to the nearest degree, if necessary.
42˚
300
Rewrite the radian measure into degree measure.
(2pi)/3
120˚
300
Find the exact value of the expression.
sin ((4pi)/3)
-sqrt 3/2
300
Find the exact value of the expression, if it exists.
tan^-1 (sqrt3/3)
pi/6
300
Determine whether the triangle has no solution, one solution, or two solutions.
A=100˚, a=7, b=3
one solution
400
Solve the triangle. Round each side measure to the nearest tenth and each angle measure to the nearest degree.
a=5.2, b=13, B=68˚
400
Find the area of the sector of the circle.
24.2 m^2
400
Find the exact value of the trigonometric function, if defined. If not defined, write undefined.
tan 450˚
undefined
400
Find the exact value of the expression, if it exists.
sin(sin^-1(1/2))
1/2
400
Solve the triangle. Round side lengths to the nearest tenth and angle measure to the nearest degree.
A=36˚, C=52˚,b=5.1
500
A team of climbers must determine the width of a ravine in order to set up equipment to cross it. If the climbers walk 25 feet along the ravine from their crossing point, and sight the crossing point on the far side of the ravine to be at a 35˚ angle, how wide is the ravine?
17.5 ft
500
Find the length of the arc. Round to the nearest tenth.
6.7cm
500
Let
sec theta =sqrt 29/5
where sec θ>0. Find sin θ.
sin theta=(2sqrt29)/29
500
Find the exact value of
sin(cos^-1 (4/5))
3/5
500
Solve the triangle. Round side lengths to the nearest tenth and angle measure to the nearest degree.
A=112˚,B=40˚, C=28˚