if cos a= 1/2(a+1/a) then show that 1-sin^2a?
patilvenkateshowe0u6:
wts the question it is...i really can not get this...can u plz upload the pic of from where u took this question
ya...there is a mistake ..we hv to prove 1-2sin^2x?
Hmmm...hv u got the ans or not yet
no i got it...by the way thnks
Arey Done with problem na
yes
ok
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i think this is ur ans... plz cross check it with ur teacher...bcz after a long time i hv solved the trigono...
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