Math, asked by Anonymous, 1 year ago

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prove the result:(sin theta + cosec theta)²+(cos theta+sec theta)²=7+tan²theta+cot²theta.

tanmoyvestige: hi anshu

Anonymous: busy .. right now .

tanmoyvestige: ok i am coming after 4 hrs

tanmoyvestige: you are busy na

ishika7968: Anshu where are you from ??

Answers

Answered by Anonymous

$\sf{\huge{PROOF}}$ :

REFER THE ATTACHMENT.

Attachments:

Anonymous: can you please explain me second line again

Anonymous: please...

Anonymous: 1/ sec theta = cos theta, and 1 / sin theta = cosec theta, so they will cancel out.

Anonymous: but it was only sin not 1/sin n...sorry but I'm very bad at this

Anonymous: cosec theta = 1/ sin theta, so, sin theta × 1 / sin theta = 1, similarly, cos theta × 1/ Cos theta = 1

Anonymous: thanks ..sis..♥️

Anonymous: My Pleasure.

Anonymous: :-)

Answered by Acekiller

I was having this sum in exam yesterday and I scored out of its very easy once you get the idea it is little challenging while doing first time

the solution is attached

Attachments:

Acekiller: here's the solution

Acekiller: mark brainliest

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