Solving Trig Equations HW - Honors PreCalculus and...

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Solving Trig Equations Do ##1-15 odds, 33 Answer Key:

Transcript of Solving Trig Equations HW - Honors PreCalculus and...

Page 1: Solving Trig Equations HW - Honors PreCalculus and Trigsevillaj.weebly.com/uploads/7/7/8/4/7784014/solving_trig...Self Quiz 3-4/3-5 / 3-6, page 114 25 -527 13. 625 21. 27. - -23 -239

Solving Trig Equations Do ##1-15 odds, 33

Answer Key:

Page 2: Solving Trig Equations HW - Honors PreCalculus and Trigsevillaj.weebly.com/uploads/7/7/8/4/7784014/solving_trig...Self Quiz 3-4/3-5 / 3-6, page 114 25 -527 13. 625 21. 27. - -23 -239

Worksheet on Solving Trig Equations

Solve each equation for 0° ≤ x < 360°.

1. 2.

3. 4.

5. 6.

Solve each equation for 0 ≤ x < 2π. 7. 8.

9. 10.

11. 12.

Answer Key:

1. 7. 11.

2. 8. 12.

3. 9.

4. 10.

5. 6.

3tan x + 2 3 = 8 3 − 3tan x 3cos x – 6 3 = cos x – 5 3

2cos x − 1 = sec x 1+ cos x = 3+ 4cos x2

10cos2 x + 3sin x − 9 = 0 3cos2 x − 8cos x − 3 = 0

cscθ + 1 = 2sinθ 4 cos2x = 5 − 4 sinx

cot x = cot x sin2 x 3cos2x − 2cos2 x − 5 = 2cos2 x − 7

sin2x sin x = cos x 2sin x + cot x = csc x

60°,240° 7π6,11π6,π2

π2,3π2,π4,3π4,5π4,7π4

30°,330° π6,5π6

0, 2π3,4π3

0°,120°,240° π2,3π2

120°,240° π4,3π4,5π4,7π4

30°,150°,191.5°,348.5°109.5°,250.5°