Spring 2017 Precalculus I Math 114C CRN 23917 TR 530650 Home

Spring 2017 Precalculus I, Math 114C, CRN 23917, TR 530-650 Homework: HW 10: Law of Sines & Cosines; Solving Trig Equa 4 1 of 21 (0 complete) v Score: 0 of 1 pt Solve the triangle. (Do not round until the tina answer. Then round to the nearest degree as needed) (Do not round untl the final answer Then round to the nearest tenth as needed) (Do not round untlthe final answer Then round to the nearest tenth as needed) Enter your answer in the edit felds and then click Check Answer All parts showing Tab

Solution

given C=44^o,B=66^o, value of a is not clearly visible(it appears to be 8)

A+B+C=180^o

A+66^o+44^o=180^o

A=180^o-66^o-44^o

A=70^o

by law of sines a_/sinA=b_/sinB=c_/sinC

8_/sin70^o=b_/sin66^o=c_/sin44^o

b=8sin66^o_/sin70^o,c=8sin44^o_/sin70^o

b=7.8,c=5.9