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Is Sin^-1 X = (Sin X ) ^ -1 ??from my book ... it stated :f(x) =
Is Sin^-1 X = (Sin X ) ^ -1 ??
from my book ... it stated :
f(x) = Sin ^-1 X
f'(x) = 1/(1-X^2)^1/2
instead of f'(x) = -cot X / sin X
Why is it so ?
Is Sin^-1 X = (Sin X ) ^ -1 ??
from my book ... it stated :
f(x) = Sin ^-1 X
f'(x) = 1/(1-X^2)^1/2
instead of f'(x) = -cot X / sin X
Why is it so ?