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" If "tan A=sqrt(2)-1" show that "sin A ...

" If "tan A=sqrt(2)-1" show that "sin A cos A=(sqrt(2))/(4)

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If tan A=sqrt(2)-1 then prove that sin A cos A=(1)/(2sqrt(2))

If tan A = sqrt2-1 show that (tanA)/(1+tan^2A)=(sqrt2)/4 = sinA cos A .

Show that sin A = sqrt(1-cos^2 A) .

Show that sin A = sqrt(1-cos^2 A) .

Show that sin A = sqrt(1-cos^2 A) .

Show that sin A = sqrt(1-cos^2 A) .

Show that sin A = sqrt(1-cos^2 A) .

If (sin theta + cos theta )=sqrt(2) cos theta , show that cot theta =(sqrt(2)+1).

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