9,261 Answered Questions for the topic trigonometry

Trigonometry Precalculus

08/31/21

Boulder, CO (40.1° N, 105.17°W), and Puerto Vallarta, MX (20.4° N, 105.16° W), have approximately the same longitude. Use the difference in latitude to approximate the distance between the cities.
Assume that the Earth is approximately spherical with radius 3960 mi. Round intermediate calculations to 5 decimal places and round your answer to the nearest mile.
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Trigonometry Precalculus

08/31/21

What is the first time (to the nearest second) after 12:00 midnight for which the minute hand and hour hand of a clock make a 30° angle?
I need the answer expressed in minutes and seconds, please!
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Trigonometry Math Calculus Mathematics

08/31/21

Pre-calc/trig math problem
Find a real number k such that (3, - 2) is on the linekx - 2y + 7 = 0
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Trigonometry

08/31/21

If cot θ = −2, and θ terminates in QII, find the remaining trigonometric functions of θ.
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Trigonometry

08/31/21

Triangle Lengths
In the triangle PQR, angle Q is the Right angle. Sides p and r both measure 10 meters. What is tan P?
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Trigonometry

08/31/21

Arc Angle Measures
What is the length of the arc intercepted by an angle of 18 degrees on a circle with a radius of 5 centimeters? Round to the nearest hundredth.
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Trigonometry

08/31/21

Trigonometry Graphing

Suppose that sect= -4/3 and that cott > 0. What is the value of csct?
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Trigonometry

08/31/21

Trig Amplitude Equation

What is the amplitude of y= -4 sin 3 (x-(pi/6))-7?
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Trigonometry

08/31/21

Graphing Trig Equations

What are the zeros in the interval [0,2pi) of y=sin(x-pi)?
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Trigonometry

08/31/21

Triangle Lengths
Isosceles triangle ABC, with AB=BC, has a height, DB, of 9 inches. Angle A measures 60 degrees. How long is AC?
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Trigonometry

08/31/21

Graphing Trigonometry

An angle terminates in the 4th Quadrant and has cosecant equal to -13/5. What is it’s cotangent?
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Trigonometry

08/31/21

Trigonometry Graphing (Help ASAP Please)
What is the phase shift of y= -4sin 3(x-(pi/6) -7?
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Trigonometry

08/30/21

math problem - Trig
A child enters a carousel that takes one minute to revolve once around. The child enters at the point (0, 1), that is, on the due north position. Assume the carousel revolves counterclockwise when... more
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Trigonometry

08/30/21

The point P in the figure below has y-coordinate 12/13 . find sin t (b) cos t (c) tan t (d) sec t
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Trigonometry

08/30/21

Trig Identities
Suppose that t  is in the third quadrant and that sint = -3/7. What is the value of cost?
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Trigonometry

08/30/21

Trig Identities
Which statement is equivalent to sinθ+cosθ-cotθ=secθ?A.tanθ+1−cscθ=secθB.2−cscθ=sec^2(θ)C.tanθ+1−cscθ=sec^2(θ)D.sinθ+cosθ−tanθ=1/sinθcosθ
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Trigonometry

08/30/21

Trig Identities
What is the cosecant of (theta) if the cosine of (theta) is equal to √3/2 and (theta) lies in Quadrant I?
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Trigonometry

08/30/21

Trig Identities
If sec^2(theta)=5, and (theta) lies in Quadrant I, What is the value of tan(theta)?
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Trigonometry

08/30/21

Trig Identities
What is the cosine of (theta) if the sine of (theta) is equal to √3/2 and (theta) lies in the first quadrant?
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Trigonometry

08/30/21

Trigonometry Identities
Given that cot m=0.75 and cos m<0, what is the value of sin m?
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Trigonometry

08/30/21

Trigonometry Identities
Suppose that cosm=−3/10 and that m is in the third quadrant. What is the value of tanm?
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Trigonometry

08/29/21

The radian measure of an angle of -188 degrees is
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Trigonometry

08/29/21

Find the area of the sector of a circle of radius 14 units subtended by an angle of 23π12 radians. Round your answer to the nearest tenth, and do not include the units in your answer.
Help me please! I have been stuck on this one question for so long: Find the area of the sector of a circle of radius 14 units subtended by an angle of 23π12 radians. Round your answer to the... more
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Trigonometry

08/29/21

The angle between 0 and 2 π in radians that is coterminal with the angle 29 10 π in radians is
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Trigonometry

08/29/21

A sector of a circle has a central angle of 45 ∘ . Find the area of the sector if the radius of the circle is 19 cm.
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