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Section 4.8 handout ann_1

# Section 4.8 handout ann_1 - Section 4.8 Applications of...

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Section 4.8 Applications of Trigonometric Functions, Page 1 Section 4.8 Applications of Trigonometric Functions, Page 1

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Section 4.8 Applications of Trigonometric Functions, Page 2 Section 4.8: Applications of Trigonometric Functions 1. Objective 1: Solve a Right Triangle . a. Solve a right triangle given two sides . b = 3, c = 7 where c is opposite the right angle. Step 1 . Draw the triangle, showing given information. Step 2 . Use the Pythagorean Theorem to find the 3 rd side. Step 3 . Use sin -1 x , cos -1 x , or tan -1 x to find the angles. b. Solve a right triangle given an angle and a side . A = 51.8 ° , c = 70. Step 1 . Draw the triangle, showing the given information. Step 2 . Solve for the unknown angle by subtracting the known angle from 90 ° or π . Step 3 . Use sin x , cos x , or tan x to find the sides. Section 4.8 Applications of Trigonometric Functions, Page 2
Section 4.8 Applications of Trigonometric Functions, Page 3 Section 4.8 Applications of Trigonometric Functions, Page 3

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Section 4.8 Applications of Trigonometric Functions, Page 4 2. Objective 2:
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Section 4.8 handout ann_1 - Section 4.8 Applications of...

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