Math, asked by pratimapadhi16, 1 month ago

sin²110°+sin²20°=1,,

Answers

Answered by mridhula76

1

Step-by-step explanation:

sin²110°+sin²20°=1

sin²110° can be written as sin²(90+20)=>cos²20°

cos²20°+sin²20°=1 (cos²A+sin²A= 1)

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