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Trigonometry equalities, inequalities and expressions  sin, cos, tan, cot
by Guest » Thu Jun 13, 2019 12:57 pm
Can anyone prove this?
sin a<=a
I have a test tomorrow

Guest

by Guest » Thu Jun 13, 2019 1:04 pm
Can anyone prove this?
sin a<=a
I have a test tomorrow[/quote]

Guest

by Guest » Thu Jun 13, 2019 2:36 pm
Can anyone prove this?
It Is need to prove that this Is the true for every x
sin a<=a
I have a test tomorrow

Guest

by Guest » Fri Jun 14, 2019 1:41 pm
This is obviously NOT true! If x< 0, sin(x) is positive so x< sin(x).

Guest

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