If sin^-1x = π/10 then cos^-1x =
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Step-by-step explanation:
Formulae used here
=> sin inverse x= theta
then
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x=sin theta
x = sin theta
in the above question theta is π/3
sin π/3 v=√3 /2
therefore
x=√3/2
put the value of x in cos inverse x
cos inverse (√3/2) = theta( required)
=theta = π/6
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