46 Answered Questions for the topic Unit Circle

Trig questions regrading exact values and quadrants

The solution to the trig equation 4cos theta +3 =0 are in which quadrant?   Given csc theta = 2 sqrt3/3 and -270 degrees < theta <180 degrees Determine the exact values of... more
Unit Circle Trigonometry

06/10/16

Solve sec^2 theta= sec theta+2 using exact values over the following domains

=-2pi<=x<2pi =the real numbers

06/06/16

You have been asked to explain, using words how the equation for the unit circle is derived.

Direct this explanation to someone who has studied the pythageron therom
Unit Circle Trigonometry

06/06/16

Determine the coordinates of P for each of the following points.

Point P(θ) is at the intersection of the unit circle and the terminal arm of angle θ   1.5π/6 2. P(5π/3) 3.P(-5Π/4)
Unit Circle Trigonometry

06/06/16

following points all lie on the unit circle. Determine each unknown value

-7/9 ,y ,quad 3 (1, y) x,3/4,quadrant 2

05/13/16

If sin(theta)=-.95, find theta when 0(is less than or equal to)theta(is less than or equal to)2pi

If sin(theta)=-.95, find theta when 0(is less than or equal to)theta(is less than or equal to)2pi without solving by graphing.
Unit Circle

12/14/15

How do you find cot of 180 degrees?

This is a unit circle problem and please include the steps to solve the problem. 
Unit Circle

12/14/15

How do you find sec of pi/4?

This is a unit circle problem and please include the steps to solve it in the answer.
Unit Circle

12/14/15

How do you find sin of 3pi/2?

This is a unit circle problem and will whoever answers please include a step by step process on how to solve it?
Unit Circle

12/14/15

How do you find csc of 5pi/3?

This is a trigonometry unit circle problem.   
Unit Circle Arc Length Circles Radius

10/28/15

How long is the arc subtended by an angle of 4p/3 radians on a circle of radius 15cm?

How long is the arc subtended by an angle of 4π/3 radians on a circle of radius 15cm?
Unit Circle

08/23/15

How do you find six sets of points in the first quadrant of the unit circle with a radius of 3/2

List 6 points (x,y) that lie on the unit circle (circle with center at the origin and radius 1) and also are in the first quadrant. Plot the points. Use your answer from the first question to find... more
Unit Circle

08/20/15

In the unit circle, if ? = 300, what are the coordinates of (X, Y)?

I'm currently in Algebra 2 and currently doing an ACT Prep and i'm stuck on this question.

if ? is in quadrant IV, what can be a value of cos? ?

trigonometry help, answer as soon as possible!

if ? is in quadrant IV, what can be a value of cos?

trigonometry help
Unit Circle

05/18/15

The terminal ray of an angle passes through the point (2,-5 ? ? v ) .

The terminal ray of an angle passes through the point (2,−5 ? ?  √ ) . What is the value of sine for this angle? What is the value of cosine for this angle? What is the value of tangent for this... more
Unit Circle

05/12/15

? Can you come up with conversion factors to convert from degrees to radians and vice versa?

? Can you come up with conversion factors to convert from degrees to radians and vice versa? 180 degrees=Pi
Unit Circle

02/26/14

unit circle

Evaluate the six trigonometric function of real number  t=(4)(3.14)/3   2)Evaluate the sine, cosine and tangent of the real number t=(3)(3.14)/4   I got this to problems wrong can someone... more
Unit Circle Pre Calculus

02/26/14

please please check my answers

18)Evaluate the sine cosine and tangent of the real number  t=(4)(3.14)/3   My answer Sin(t)=4/3 Cos(t)=3/4 Tan(t)=2/3   54)use a calculator to evaluate the expression.Round to the nearest... more

Precalc Question -- Find Angle Measure in Radians for -0.6 Rotations

What angle measure, in radians, corresponds to −0.6 rotations around a unit circle? (Round your answer to two decimal places.) The book gives the answer (-3.77) but not the process of how to get... more

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