Trig equations Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. Calculator allowed. Show your working. steplyclass.com/trigonometry/trig-equations/quiz/

1. 1

   Solve 2 sin x − 1 = 0
   1. A) x = 30°, 150°
   2. B) 150°
   3. C) x = −30°, −150°
   4. D) x = 30°

2. 2

   Solve tan x = 1

   Answer: ____________________

3. 3

   Solve cos x = 0
   1. A) 270°
   2. B) x = 90°, 270°
   3. C) x = 90°

4. 4

   Solve 2 cos x + 1 = 0

   Answer: ____________________

5. 5

   Solve 2 sin x = √3
   1. A) 120°
   2. B) x = 60°
   3. C) x = 60°, 120°

6. 6

   Solve 4 sin x − 2 = 0

   Answer: ____________________

7. 7

   Solve 4 cos² x = 1

   Answer: ____________________

8. 8

   Solve 2 cos x + √3 = 0

   Answer: ____________________

9. 9

   Solve 2 sin x + √3 = 0
   1. A) x = 240°
   2. B) 300°
   3. C) x = 240°, 300°

10. 10

    Solve 2 cos² x + cos x = 0

    Answer: ____________________