Please explain the 3 questions below :
Question 1: Explain step by step why sin(x+pi)=-sinx
Question 2: Triangle ABC is given where m<A=33degree, a=15in and the height, h, is 9in.How many distinct triangles can be made with the given measurements? Explain the answer .
Question 3: A pilot can see the runway she is about to land on directly ahead. When looking at each end of the runway, the angle of depression are 45 degree and 42 degree. If the airplane is 1500 feet off the ground, how long is the runway?
Create an equation to model the problem .Then, solve the equation, giving the answer in context .
Posted on Apr 14, 2017, by Bestlearn |