Trigonometry for Angle

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Trigonometry for Angle Right Triangles Lesson 4

Do Now 7. Solve for x. 8. Which trig ratio could be used?

Trigonometry for Angle Notes The opposite of sine is _________. The opposite of cosine is _________. The opposite of tangent is _________. To solve an equation for the _________ you will need to take the ___________ of the _____ __________. angle inverse trig function

Class Example 1 Solve for Θ.

Class Example 2 Solve for x.

Class Example 3 Set up three different trig ratios to solve for angle A.

Class Example 4 Solve for Θ.

Student Example 1 Solve for c.

Student Example 2 Solve for x.

Solve for a, round answer to the nearest hundredth. Student Example 3 Solve for a, round answer to the nearest hundredth.

Student Example 4 The Parker family recently bought a new television. What is the approximate measure of angle y?