Find the value of cotθ for (-15,-8) in standard position.
What is cotθ=15/8
200
What is the reference angle for 162°?
What is 18°
200
Solve right triangle:
c=17.8, B=64.2°
What is a=7.75,b=16.0, B=25.8°
200
Find the angle: sinθ=0.83245
What is 56.351
300
Find the least positive measure that is co-terminal with the angle, and name which quadrant it lies in.
700°
What is 340°, Q3
300
Identify the quadrant(or quadrants) of an angle that satify this condition:
cosθ<0, tanθ>0
What is Quadrant 3
300
If a triangle has the sides, a=8, b=4, and c=4√3, what is cosA?
What is √3/3
300
A 12.5-ft ladder is leaning against a wall. Find the height that the ladder reaches on the wall if the angle formed between the ladder and the ground is 47.56°
What is x=9.225 ft
300
Find the reference angle of 272°
What is 88°
400
Find the complement of 17°40"
What is 72°59'20"
400
Evaluate cos90°+sin270°
What is -1
400
What is the exact value of sin225°
What is -√2/2
400
A bird is flying 120 feet above the ground. The angle of depression from the bird to a point on the ground is 12°30'. How far horizontally must the bird fly to be directly above this point on the ground? Round to the nearest thousandth.
What is 541.285 feet
400
What is the exact value of sin225°
What is sin225°=-√2/2
500
A gear rotates through 120° in one second.
a. How many degrees does it rotate in one minute?
b. How many rotations does it make in one minute?
What is 7200°, 20 rotations
500
Find the remaining trigonometric function values for
cosθ=-3/5
What is sinθ=4/5, tanθ=-4/3, cscθ=5/4, secθ-5/3, cotθ=-3/4
500
What is the approximate value for csc(67.3°)? Round to the thousandth place.
What is 1.084
500
During a hike in the wilderness, a hiker starts at point A and hikes 3.75 miles on a direction of S35°W to reach point B. He then turns and hikes 2.25 miles on a direction of N55°W where he reaches point C.
Calculate the distance between point A and point C.
What is 4.373 miles
500
A wheel rotates at a speed of 560° per second. How many rotations does the wheel make in a minute? Round to the nearest thousandth.