C crystalclear72000 Guest Mar 18, 2010 #2 to the following? what is the exact value for : 20sin^-1x=5pi the pie is equivalent to 3.14.... and the sin^-1 is the inverse of sin
to the following? what is the exact value for : 20sin^-1x=5pi the pie is equivalent to 3.14.... and the sin^-1 is the inverse of sin
M mohanrao d New member Mar 18, 2010 #3 20 sin^-1(x) = 5? => sin^-1(x) = ?/4 by definition sin(?/4) = x x = ?2 / 2