Find the value of sin235° + sin255°

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Find the value of sin²35° + sin²55°

A-1

B1/2

Answer:

Formula used:

sin²θ + cos²θ = 1

sinθ = cos(90° – θ)

Calculation:

Our given equation is

sin²35° + sin²55°

⇒ sin²35° + Sin²(90° – 35°)

⇒ sin²35° + cos²35°

⇒ 1

∴ The value of given expression is 1

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