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Worksheet: Finding Reference Angles and Using it to Find the Values of Trigonometric Functions

Q1:

What is the reference angle for ?

Q2:

Find the smallest negative equivalent of .

Q3:

Find the smallest negative equivalent of .

Q4:

Find the smallest positive equivalent of .

  • A
  • B
  • C
  • D
  • E

Q5:

Find the smallest positive equivalent of .

  • A
  • B
  • C
  • D
  • E

Q6:

Find the smallest positive equivalent of .

  • A
  • B
  • C
  • D
  • E

Q7:

Find the smallest positive equivalent of .

Q8:

Given the angle , find the principal angle.

  • A
  • B
  • C
  • D
  • E

Q9:

Given the angle , find the principal angle.

  • A
  • B
  • C
  • D
  • E

Q10:

Find without using a calculator.

  • A
  • B
  • C
  • D

Q11:

Find without using a calculator.

  • A
  • B
  • C
  • D

Q12:

Find without using a calculator.

  • A
  • B
  • C
  • D

Q13:

Find without using a calculator.

  • A
  • B
  • C
  • D2

Q14:

Find without using a calculator.

  • A
  • B
  • C
  • D2

Q15:

Find without using a calculator.

  • A
  • B
  • C
  • D

Q16:

Find the value of .

  • A
  • B
  • C
  • D

Q17:

Find the value of .

  • A
  • B
  • C
  • D

Q18:

Find the value of .

  • A1
  • B
  • C2
  • D

Q19:

Find the value of .

  • A
  • B
  • C
  • D

Q20:

Find the value of .

  • A
  • B
  • C1
  • D

Q21:

Find the value of .

  • A
  • B
  • C
  • D