`cos(cos^(-1)(-1/4)+sin^(-1)(-1/4))=`

sin(cos^(-1)(4/5))

cos^(-1)((-1)/(2))-2sin^(-1)((1)/(2))+3cos^(-1)((-1)/(sqrt(2)))-4tan^(-1)(-1) equals to

Evaluate cos(sin^(-1)(4/5)+cos^(-1)(2/3))

Evaluate :cos(sin^(-1)((1)/(4))+sec^(-1)((4)/(3)))

The value of sin^(-1)(cos2)-cos^(-1)(sin2)+tan^(-1)(cot4)-cot^(-1)(tan4)+sec^(-1)(cos ec6)-cos ec^(-1)(sec6

Which of the following angles is greater ? theta_(1) = sin^(-1).(4)/(5) + sin^(-1).(1)/(3) and theta_(2) = cos^(-1).(4)/(5) + cos^(-1).(1)/(3)

Which of the following angles is greater? theta_(1)=sin^(-1)((4)/(5))+sin^(-1)((1)/(3)) or theta_(2)=cos^(-1)((4)/(5))+cos^(-1)((1)/(3))