Delta^(2)=sin^(-1)((5)/(13))+cos^(-1)((4)/(5))=(1)/(2)sin^(-1)((3665)/(4225))

sin^(-1)((5)/(13))+cos^(-1)((3)/(5))=

Prove that: sin^(-1)((5)/(13))+cos^(-1)((4)/(5))=(1)/(2)sin^(-1)((3696)/(4225))

sin((1)/(2)"cos"^(-1)(4)/(5))=

cos(sin^(-1)(5/13))=

Prove that : sin^(-1)(5/13)+cos^(-1)(4/5)=1/2sin^(-1)(3696/4225) .

Prove that 2sin^(-1)((3)/(5))-cos^(-1)((5)/(13))=cos^(-1)((323)/(325))

Prove that sin^(-1)""(5)/(13)+cos^(-1)""(3)/(5)=sin^(-1)""(63)/(65)

Let alpha=2tan^(-1)((1)/(2))+(sin^(-1)3)/(5) and beta=sin^(-1)((12)/(13))+cos^(-1)((4)/(5))+cos^(-1)((16)/(63)) be such that2sin alpha and cos beta are roots of the equation x^(2)-px+q=0, then (p-q) is

cos[sin^(-1)(-4//5)-cos^(-1)(4//5)]=

Prove that: sin^(-1)((4)/(5))+sin^(-1)((5)/(13))+sin^(-1)((16)/(65))=(pi)/(2)