Math, asked by Sandesh321rauniyar, 3 months ago

cos 315º sin 450° - cos (-420°) cos(-570°)

plzz solve this step by step by explanation chapter trigonometry

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Answered by Anonymous

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Answer:

trigonometry

Step-by-step explanation:

cos 315º sin 450° - cos (-420°) cos(-570°)

plzz solve this step by step by explanation chapter trigonometry

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