Answer:
4. 7.5
5. 17.9
6. 18.4
Step-by-step explanation:
remember that you need to use SOH CAH and TOA to find these.
sin = opposite/ hypotenuse
cos = adjacent / hypotenuse
tangent = opposite / adjacent
to find angles you would choose either to use sin, cos, or tan with the two sides that they give you and you would solve with an inverse tangent
to find the side lengths, find the inverse of the formula that you used to find the angle
for example: your first problem would look like this
you have the sides of the hypotenuse and you need to find that adjacent side so this would be a cos function
60 (which is the angle) = cos^-1 [x / 15] x is the adjacent and 15 is the hypotenuse
then you start to isolate x so you do cosine to both sides and multiply by 15
15 [cos(60)]
plug this into your calculator and TA DA
hope this helps :)
