Question

Just the answer please.
1: http://imgur.com/NGxYTlv

2: http://imgur.com/rNm6neg

Answer 1

Answer on Question #58630 - Math - Trigonometry

Question 1

Which function has the graph shown?

$$y = c s c (x) - 1$$ $$y = 3 \cos (- x)$$ $$y = - 2 - \cos (x - \pi)$$ $$y = 3 \cos 4 x$$

Answer: $y = \csc(x) - 1$ .

Question 2

Which function has the range $(-\infty, 0] \cup [2, \infty)$ ?

$$y = \sec (x) + 1$$ $$y = c s c (x) - 1$$ $$y = \cos (x + 1)$$ $$y = \cot (2 x) - 1$$

Answer: $y = \sec(x) + 1$ .

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