Math, asked by chhayamajumdar3, 1 month ago

cot? A - cos? A = cot? A cos? A

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Answered by ramarallapati

Answer:

cot? A-cos ? A= cos?A-cot? A

Answered by sandy1816

${cot}^{2} a - {cos}^{2} a \\ = \frac{ {cos}^{2}a - {cos}^{2} a {sin}^{2} a }{ {sin}^{2} a} \\ = \frac{ {cos}^{2}a(1 - {sin}^{2}a) }{ {sin}^{2} a} \\ = \frac{ {cos}^{2} a \: {cos}^{2}a }{ {sin}^{2}a } \\ = {cos}^{2} a \: {cot}^{2} a$

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cot? A - cos? A = cot? A cos? A​

Answers

cot? A - cos? A = cot? A cos? A