Intro to trigonometric ratios and a system for solving trig equations

Intro to trigonometric ratios and a system for solving trig equations

Intro to trigonometric ratios and a system for solving trig equations

13:03

About this lesson

What are sine, cosine and tangent?

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Video 1 of 7

Intro to trigonometric ratios and a system for solving trig equations

13 min

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Setting up your calculator for sine calculations in degrees

3 min

Using inverse sine to find angles from sine ratios

8 min

Finding both missing angles of a right triangle using sine and angle sum

5 min

Solving for the hypotenuse using sine ratio with a 30° angle

3 min

Solving for the opposite side using sine with a 50-degree angle

3 min

Finding an angle using inverse sine with a 5/13 ratio

2 min