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" 32.सिद्ध कीजिए कि "tan(theta+45^(@))*t...

" 32.सिद्ध कीजिए कि "tan(theta+45^(@))*tan(theta-45^(@))=-1

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tan(45^(@)+A)tan(45^(@)-A)=1

tan(45^(@)+ theta )*tan(45^(@)-theta)=

tan (45 ^ (@) + A) + tan (45 ^ (@) - A) =

tan225^(@)=tan(180^(@)+45^(@)) =tan45^(@)=1

If theta = 45^(@) , then find tan theta .

If theta=45^(@) then (tan^(2)theta-1)/(sec^(2)theta)=

सिद्ध कीजिए कि 2tan^(-1)sqrt((b)/(a))=cos^(-1)((a-b)/(a+b))

If tan2 theta*tan theta=1, then theta=

tan^2 45/(1+tan^2 45)