Math, asked by joker987, 7 months ago

Prove that : 1/cos A + sin A -1 + 1/cos A + sin A - 1 = cosec A + sec A ​

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Answered by RISH4BH
49

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Some identities:

  • sin²∅+cos²∅ = 1.
  • sec²∅-tan²∅ = 1.
  • csc²∅-cot²∅ = 1,.
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