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Worksheet: Simplifying a Trigonometric Expression

Q1:

Simplify s i n c s c c o s πœƒ πœƒ βˆ’ πœƒ 2 .

  • A t a n 2 πœƒ
  • B c s c 2 πœƒ
  • C s e c 2 πœƒ
  • D s i n 2 πœƒ

Q2:

Simplify s i n s i n c o s c o s 4 5 𝑋 3 0 𝑋 + 4 5 𝑋 3 0 𝑋 .

  • A s i n 1 5 𝑋
  • B c o s 7 5 𝑋
  • C s i n 7 5 𝑋
  • D c o s 1 5 𝑋

Q3:

Simplify c o s c o s s i n s i n 1 6 8 π‘₯ βˆ’ 1 6 8 π‘₯ ∘ ∘ .

  • A s i n ( 1 6 8 + π‘₯ ) ∘
  • B c o s ( 1 6 8 βˆ’ π‘₯ ) ∘
  • C s i n ( 1 6 8 βˆ’ π‘₯ ) ∘
  • D c o s ( 1 6 8 + π‘₯ ) ∘

Q4:

Simplify s i n s i n c o s c o s s i n s i n c o s c o s 2 2 2 2 2 𝐴 2 𝐡 + 2 𝐴 2 𝐡 + 2 2 𝐴 2 𝐡 2 𝐴 2 𝐡 .

  • A c o s ( 2 𝐴 βˆ’ 2 𝐡 )
  • B s i n 2 ( 2 𝐴 βˆ’ 2 𝐡 )
  • C c o s 2 ( 2 𝐴 + 2 𝐡 )
  • D c o s 2 ( 2 𝐴 βˆ’ 2 𝐡 )