Home
Class 13
MATHS
[" Prove that : "],[" 3.(a) "sin A=(2tan...

[" Prove that : "],[" 3.(a) "sin A=(2tan(A)/(2))/(1+tan^(2)(A)/(2))]

Promotional Banner

Similar Questions

Explore conceptually related problems

to prove that sin A=2(tan((A)/(2)))/(1+tan^(2)((A)/(2)))

Prove that :(1-tan^(2)((pi)/(4)-A))/(1+tan^(2)((pi)/(4)-A))=sin2A

If A=30^(@) , then prove that : cos2A=cos^(2)A-sin^(2)A " "=(1-tan^(2)A)/(1+tan^(2)A)

If A=30^(@) , then prove that : cos2A=cos^(2)A-sin^(2)A " "=(1-tan^(2)A)/(1+tan^(2)A)

Prove that (1-tan^(2)((pi)/(4)-A))/(1+tan^(2)((pi)/(4)-A))=sin2A

Prove that sin^(2) A+ sin^(2) A tan^(2) A = tan^(2) A .

Prove that (sin^(2)A)/(cos^(2)A)+1=(tan^(2)A)/(sin^(2)A)

Prove that : (1 + tan^(2) A) + (1 + (1)/ (tan^(2) A)) = (1)/ (sin^(2) A - sin^(4) A)

If A=30^(@), prove that sin2A=2sin A cos A=(2tan A)/(1+tan^(2)A)

prove that (sin A-2sin^(3)A)/(2cos^(3)A-cos A)=tan A