55 Answered Questions for the topic Radians

Radians

11/01/14

State all the possible radian values of theta, to the nearest hundredth
cos(θ)=-5/13 where 0≤θ≤2π   i got 1.97 but how do i get the other answer in quadrant 3?   In general, how would i find out in all 4 quadrant?
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Radians

07/04/14

Find the angle complementary to ; pie over 18
Choices are ;   5 pie over 9   17 pie over 18   4 pie over 9   9 pie over 18  
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Radians Linear Velocity

05/11/14

The disk of a sander has a radius of 6 inches and is rotating at a speed of 5 revolutions per second.
a. Find the angular speed of the sander disk in radians per second.    b. What is the linear velocity of a point on the edge of the sander disk in feet per second?
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Radians Polar Forms

05/08/14

write your answer in standard polar form with argument in radians. Please help
Z1 = 2 +2i , z2 =radical 3 -I  I don't know how to do the radical symbol that's why I wrote it out. 
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07/07/13

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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