If `A+B=90^(@)`, then what is `sqrt(sinAsecB-sinAcosB)`equal to ?

If x + y = 90^(@) , then what is sqrt( cos x cosec y - cos x sin y ) equal to

In a triangle ABC, /_B=90^(@) and /_C=2/_A , then what is AB^(2) equal to ?

If A=B=45^(@) , show that : sin(A-B)=sinAcosB-cosAsinB

If A=60^(@) and B=30^(@) , verify that : (i)sin(A+B)=sinAcosB+cosAsinB (ii) cos(A+B)=cosAcosB-sinAsinB

If A+B=90^(@) ,then sqrt((tanA.tanB+tanA.cotB)/(sinA.secB)-(sin^(2)B)/(cos^(2)A)) =?

If A=60^(@) and B=30^(@) , prove that : " "sin(A-B)=sinAcosB-cosAsinB

If A=60^(@) and B=30^(@) , prove that : " "sin(A-B)=sinAcosB-cosAsinB

If A+B=90^0, prove that sqrt((tanAtanB+tanAcotB)/(sinAsecB)-(sin^2B)/(cos^2A))=tanA

If A=30^@ and B=60^@ , verify that (i) sin(A+B)=sinAcosB+cosAsinB (ii) cos(A+B)=cosAcosB-sinAsinB

If |vec(a)| = sqrt2, |vec(b)|=sqrt3 and |vec(a) + vec(b)|= sqrt6 , then what is |vec(a)- vec(b)| equal to ?