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y D Pearson eText ×°Cegg Study Guide ×TG Google Image Resul × ebook/launcheText.

ID: 2913333 • Letter: Y

Question

y D Pearson eText ×°Cegg Study Guide ×TG Google Image Resul × ebook/launcheText.do?values bookID:99373 platform: 1030:bookPageNumber i froml NinvokeType:lms.la Welcome Jake Jones Precalculus by Wilson (1) Print| Settings H 162% A. aro tan-33-x B.arccos(-1).. x c.aresin(4) A. arctan- B. arccos(--)=x C. arcsin(- )-x 5, which one of the following equations has solution ?? A. arccos(-1) B. arccos x C. arcsin?)=x 6. Which one of the following equations has solution-? A. arctan()B. arcsin C. arccos(-1)=x Solve each equation for x, where x is restricted to the given interval. See Example I. for x in [0, ?] 9, y-3tan 2x, for x in(- I1. y 6 cos. for x in (0, 4] y =-2 cos 5x, for x in | 0. 8. ? ?sinx, for x inlH] 10. y-3 sin , for x in [-?, ?] 12. y=-sini' for xin! 14. y-3cot 5x, for x in (0, 7. y-5cos x, ?? 2' 2 ?) ?? x 6?for x in [0, 4m] 12. y--sin x, for x in?3m 13,

Explanation / Answer

9) y = 3 tan 2x

3 tan 2x = 0

tan 2x = 0/3

tan 2 x = 0

x = 0

15) y = sin x - 2

sin x - 2 = 0

sin x = 2

x = sin^-1 (2)

sin x cannot be greater than 1

hence, this equation has no solution