# Trig Review Part 1

Taught by YourMathGal
• Currently 4.0/5 Stars.
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Part of video series
Meets NCTM Standards:
Lesson Summary:

In this trigonometry lesson, the instructor goes over how to convert angles from degrees to radians, and radians to degrees, and how to find exact values of trig functions of special angles when the angle is in radians. They also explain how to find the radius of a circle when the arc length and central angle are given. The lesson includes a review for a trigonometry test for a class and provides step-by-step solutions to the problems.

Lesson Description:

Converting angle from degrees to radians, and radians to degrees; finding exact values of trig functions of special angles when angle is in radians; finding radius of a circle when arc length and central angle is given. Solutions to a Review for a Trigonometry Test for a class. . See pdf on that site under Trig, special videos.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

• How do you convert 108 degree to radians?
• How can you use the conversion factors pi/180 and 180/pi to convert between degrees and radians?
• How do you convert 8*pi/5 radians to degrees?
• How do you find the exact value of tan 7*pi/6?
• How do you find the exact value of sin 3*pi/4?
• How do you find the exact value of sec pi?
• What is the radius of a circle if arc length is 3pi units when the central angle is 2*pi/5?
• What is the formula for arc length?
• #### Staff Review

• Currently 4.0/5 Stars.
This lesson kicks off a series on trig review. Several example problems are shown in this video including converting between degrees and radians and simplifying, finding values of trig functions given an angle measure in radians, and finding the radius of a circle given the arc length and central angle. All steps involved in solving all problems are shown and explained very well.