[hline" 88.If "cos^(-1)((2)/(3x))+cos^(-...

[hline" 88.If "cos^(-1)((2)/(3x))+cos^(-1)((3)/(4x))=(pi)/(2)(x>(3)/(4))," then "x" is equal to "],[[" 1) "(sqrt(145))/(12)," 2) "(sqrt(145))/(10)," 3) "(sqrt(146))/(12)," 4) "(sqrt(145))/(11)]]

Similar Questions

Explore conceptually related problems

If cos^(-1)(2/(3x))+cos^(-1)(3/(4x))=(pi)/2(xgt3/4) then x is equal to

If x>0,cos^(-1)((3)/(x))=(pi)/(2)-cos^(-1)((4)/(x)) then x equals

If cos ^(-1) ((2)/( 3x )) + cos ^(-1) ((3 )/( 4x )) = pi/2 (x gt (3)/(4)) and "x" is equal to (sqrtp)/(q), then the value of (p -q) is :-

cos((3pi)/4+x)-cos((3pi)/4-x)=

Prove that cos^(-1)(x)+ cos^(-1){(x)/(2)+sqrt(3-3x^(2))/(2)}=(pi)/(3) .

cos^3(x-((2pi)/3))+cos^3x+cos^3(x+((2pi)/3)))=3/4 cos3x

cos((3pi)/(4)+x)-cos ((3pi)/(4)-x)=-sqrt(2) sin x

Prove : 3cos^(-1)x=cos^(-1)(4x^(3)-3x),x in[1/2,1]