sat mathematics level 2 practice test answers
SAT MATHEMATICS PRACTICE TESTS
sat mathematics level 2 practice test answers
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If $2{\tan ^{ – 1}}(\cos \theta ) = {\tan ^{ – 1}}(2{\mathop{\rm cosec}\nolimits} \theta )$, then show that $\theta = \frac{\pi }{4}$, where $n$ is any integer.
[NCERT,Exemplar.2.3,Q.9,Page.36]
What is the integration of $\int {\frac{{dx}}{{1 + \cos x}}} $ ~~~~~[NCERT Exemp. Q. 6,Page 164 ]
