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Trignometry

Blazing goIITian

Joined:	21 Aug 2008
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20 Oct 2008 19:45:08 IST

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plz answer this........!!!!!!!

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anchal singhal

Blazing goIITian

Joined: 21 Aug 2008

Posts: 380

20 Oct 2008 20:20:49 IST

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plzzzzzz answerr............

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\m/ET

Scorching goIITian

Joined: 10 Jul 2008

Posts: 263

20 Oct 2008 23:20:38 IST

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ans)

then USING SINE RULE ...

A+B+C=

then

then simplifyin v get ..... =>> A/2 = B-C/2

=> A = B - C n A+B+C=

therefor B = 90⁰

so triangle ABC is right angled

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