Radians and Degrees
360° to Radians
2ñ
What would cotx be if tanx=5/7
cotx=7/5
Find the exact value of sin^-1(45°)
(Square root of 2)/2
What is the third angle if one angle is 45° and the other is 90°
45°
What is the opposite of the following functions:
sine
cosine
tangent
cosecant
secant
cotangent
270° to Radians
3ñ /2
Find the value of x if cos14°=x/7
(round to the nearest hundredth)
6.79
Find the exact value of cos^-1(120°)
-1/2
What is the third angle of a right triangle if one angle equals 52°
38°
What is the period and amp:
f(x)=4sin(2x+1)+3
Amp= 4
Period= pie
3ñ to Degrees
540°
Find the value of x if tan(37°)=5/x
(round to the nearest tenth of a degree)
6.6°
Find the exact value of sec^-1(330°)
-2
What is the degree of the reference angle if cosx=4/5
(round to the nearest degree)
37°
The angle of elevation is 77° to the top of a flagpole, from a point 93 feet away. What is the height of the flag pole?
(round to two decimal places)
402.83 feet
630° to Radians
7ñ/2
Find the value of the opposite side of the adjacent side equals 8 and the hypotenuse equals 11
(answer in decimal form, round to the nearest tenth)
7.5
Find the exact value of tan^-1(240°)
-(square root of 3)
Find the degree of the reference angle if secx=23/40
.02°
The angle of elevation of a telephone tower is 64°, and is measured at a point 220 feet from the base of the tower. What is the height of the telephone tower?
(round to the nearest foot)
451 feet
14ñ/3 to Degrees
840°
Find the value of the hypotenuse if the adjacent side of the triangle is 14 and the opposite is 12
(answer in simplified radical form)
2(square root of 85)
Find the exact value of cot^-1(210°)
Find the degree of the reference angle of cotx if tanx=8/9
(round to the nearest hundredth)
.02°
Convert 14°6’3” to degrees
(round to 4 decimal places)
14.1008°