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# 5.1 part 1.ppt worked

Trig Identities

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### 5.1 part 1.ppt worked

1. 1. Chapter5 Section5.1–FundamentalIdentities
2. 2. Reciprocal Identities 1. 2. 3. 4. 5. 6. θ θ csc 1 sin = θ θ sec 1 cos = θ θ cot 1 tan = θ θ sin 1 csc = θ θ tan 1 cot = θ θ cos 1 sec =
3. 3. Quotient Identities θ θ θ cos sin tan = θ θ θ sin cos cot =
4. 4. Pythagorean Identities NEW!! θθ 22 sectan1 =+ 1sincos 22 =+ θθ θθ 22 csc1cot =+
5. 5. Simplify: xxx 23 cossinsin + xxx 23 cossinsin +
6. 6. Simplify: x xx 2 sin )1)(sec1(sec −+ x xx 2 sin )1)(sec1(sec −+
7. 7. Simplify: x x x x cos sin sin1 cos − − x x x x cos sin sin1 cos − −
8. 8. Simplify: xxx coscotsin +xxx coscotsin +
9. 9. Simplify: x x x xx cos sin1 sin1 cossin + − −
10. 10. Simplify: x x x x sec1 csc sec1 csc − + +
11. 11. Ticket out the Door • On a separate sheet of paper, explain the humor that goes along with this picture!
12. 12. Homework Worksheet (odds)