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Worksheet: Evaluating Trigonometric Functions

Q1:

Find the value of c o s ( 1 8 0 βˆ’ πœƒ ) ∘ given s i n πœƒ = βˆ’ 3 5 where 2 7 0 < πœƒ < 3 6 0 ∘ ∘ .

  • A 4 5
  • B 3 4
  • C βˆ’ 3 4
  • D βˆ’ 4 5