Answer:
Are you asking how the answer became 16.1?
Step-by-step explanation:
Well the squiggly lines indicate that its an approximation so use a scientific calculator if you have one or use an online scientific calculator and plug in 12sin89/sin48. Your answer should be 16.145 rounded to 16.1
Answer:
Cos θ = (2/7)
Step-by-step explanation:
Secant is just the inverse of cosine