Question

Just the answer please.
1: http://imgur.com/gPLptPA
2: http://imgur.com/JWByRS0
3: http://imgur.com/LPI69ke

Answer 1

Answer on Question #58922 – Math – Trigonometry

Question

The range of $y = \arcsin x$ is $\left\{-\frac{\pi}{2}, \frac{\pi}{2}\right\}$.

True

False

Answer: True.

Question

Evaluate arcsec 2.

$$\left\{\frac {\pi}{3} \pm 2 \pi n, \frac {5 \pi}{3} \pm 2 \pi n \right\}$$ $$\frac {\pi}{3}$$ $$\left\{\frac {\pi}{6}, \frac {5 \pi}{6} \right\}$$ $$\left\{\frac {\pi}{4} \pm 2 \pi n, \frac {3 \pi}{4} \pm 2 \pi n \right\}$$

Answer: $\frac{\pi}{3}$.

Question

Evaluate $\cos \left(tan^{-1}0\right)$.

Answer: 1.

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