I need help with problems 8-14 s ove the degree mesoure of i he degroe measure a

Question

I need help with problems 8-14

s ove the degree mesoure of i he degroe measure arctan(-5) 9. Give Po d gree measum of . The degree measure of 8 is 10. Gve the degree mossure of 8, Do not use a calodstor 1-cos-14 Select the oorrect choice below and i1 in any answor booss in your choios. A.. B. The answer is undeined (Type your mower n degrees arent onough good probloms in MyMathLab tor you to leam this material as wel as you need to. Be sura to da the assigned problems from the sextbook biso. Anawer the tollowing queation, will be doing al of the assigned problems in the exbook from (9.4. (Nicto: The correct snewer a "Yea') A. No B. C. Yes D. 12. Use a calculator to ind the value in decimal dagrees sin 1-0.4153) sin-1(-04153)“ Round to four decimal places as needed.) Use a calculator to give the following value of in decimal degrees. 13. f: arcsin {-0.67380 "(Round to four decimal places as resosd) 14. Uso a calaulator to give the real number vaue of y y arccos (0.788) Rlound to the nearest thousandth as needed.)

Explanation / Answer

8. theta=arctan(-sqrt3) = arctan(tan(-pi/3)) =-pi/3 =-60 degree

9 .theta=arcsin(sqrt3/2) =arcsin(sin (pi/3))=pi/3 =60 degree

10. theta=cos-14

Does not exist since cos theta lies in [-1,1]

12.sin-1(-0.4153) =-24.54 degree

13. theta=arcsin(-0.6738)=-42.3610 degree

14.y=arccos(0.788)=38.011 degree

.

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