Math, asked by liza2003, 1 year ago

value of cos2A+tanA

Answers

Answered by falakshadab

1

Answer:

Sorry Question is

cot2A+tanA

cot2A+tanA ,

=cos2Asin2A+sinAcosA ,

=cos2AcosA+sim2AsinAsin2AcosA ,

=cos(2A−A)sin2AcosA ,

We know that,

cos2AcosA+sin2AsinA

=cos(2A−A).

∴cot2A+tanA

=cosec2A

Proved....

Answered by amirsalim95

0

Answer:

cosec2A

Step-by-step explanation:

Explanation is given in pic attached

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