![=\frac{1}{2}[cot\frac{x}{2}-tan\frac{x}{2}]](/tpl/images/0413/2105/8c055.png)
a.
`(1 - cos x)/(sin x)`
Mathematics, 11.12.2019 06:31, Kizmit1423
Which of the following is not an identity for tan(x/2)
a.
`(1 - cos x)/(sin x)`
b.
`(sin x)/(1 + cos x)`
c.
`(cos x)/(1-sin x)`
d.
`+- sqrt((1 - cosx)/(1 + cos x))`
Answers: 3
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Do you know the correct answer?
Which of the following is not an identity for tan(x/2)
a.
`(1 - cos x)/(sin x)`
a.
`(1 - cos x)/(sin x)`
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