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  • Trigonometry
  • Trigonometric identities test
  • Double and half angle identities

Double and half angle identities

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  • Question 1:
    1 pts
    		Which expression represent double angle identity for sine function,

  • Question 2:
    1 pts
    		Which expression represent a half-angle identity for cosine,
  • Question 3:
    1 pts
  • Question 4:
    1 pts
  • Question 5:
    2 pts
    		Use a double-angle identity to find the exact value of

  • Question 6:
    2 pts
    		Simplify the expression.
  • Question 7:
    2 pts
    		If and then find
  • Question 8:
    2 pts
    		If and then find
  • Question 9:
    3 pts
  • Question 10:
    3 pts
  • Question 11:
    3 pts
    		Simplify the expression.

Angle Measurement

Right triangle

Unit circle

Trigonometric identities