MCQ
The value of $\tan ( - 945^\circ )$ is
- ✓$-1$
- B$-2$
- C$-3$
- D$-4$
$ = - \tan [(2 \times 360^\circ + 225^\circ )]$
$ = - \tan [225^\circ ] = - \tan 45^\circ = - 1$.
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$\lim _{x \rightarrow \infty} \frac{\sin \left(x^2\right)\left(\log _e x\right)^\alpha \sin \left(\frac{1}{x^2}\right)}{x^{\alpha \beta}\left(\log _e(1+x)^\beta\right.}=0$
Then which of the following is (are) correct?
$(A)$ $(-1,3) \in S$ $(B)$ $(-1,1) \in S$ $(C)$ $(1,-1) \in S$ $(D)$ $(1,-2) \in S$