Asked by aashi
if sin^14A+cos^20A=x then find the smallest interval in which value of x lie
Answers
Answered by
Steve
well, since sin^14 and cos^20 both have range [0,1], we know that x must lie in [0,2].
A little graphing shows that in fact x lies in [.006222,1]
Still haven't come up with an analysis to show that max of sin^2m(A) + cos^2n(A) = 1
or exactly what the minimum is.
A little graphing shows that in fact x lies in [.006222,1]
Still haven't come up with an analysis to show that max of sin^2m(A) + cos^2n(A) = 1
or exactly what the minimum is.
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