Math, asked by prabha165, 7 hours ago

COT THETA - TAN THETA = 2COSSQUARE THETA - 1 /SIN THETA X COS THETA

Answers

Answered by mgupta7127

0

Answer:

taking theta=A

Step-by-step explanation:

solving LHS

cotA−tanA

→ cosA/sinA-SinA/cosA

→ cos2A/sinAcosA-Sin2A/sinAcosA

→cos2A-(1-cos2A)whole divided by sinAcosA

→cos2A+cos2A-1 whole divided by sinAcosA

→2cos²A-1/sinAcosA

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