Please answer the following. Please show work for the second question if you don't mind. Thank you!!!

layla01  May 20, 2018

for the second one, problem 3, 

the ladder is the hypotenuse forming a right triangle with the wall and ground.

so for part a, sin is used.

sin angle = 9.2/10 

use a calculator to solve that with arcsin or sin-1


for part b, cos is used.

cos 75 = x/10

x= 10 cos 75

x being the ground distance

Guest May 21, 2018

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