Answer:
4. 73.6°
5. 30°
6. 75.5°
Explanation:
4. 31/sinX = 32/sin(82)
sinX = 31 × sin(82)/32
sinX = 0.9593221916
X = 73.6016674553
5. sinC = 15/30
sinC = 0.5
C = 30°
6. 8² = 7² + 6² - 2(7)(6)cosX
cosX = ¼
X = 75.52248781
Please see the attached pictures for full solution.
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