Answer:
20/29
Step-by-step explanation:
sin θ = 21/29
Use Pythagorean identity:
sin² θ + cos² θ = 1
(21/29)² + cos² θ = 1
441/841 + cos² θ = 1
cos² θ = 400/841
cos θ = ±20/29
Since 0° < θ < 90°, cos θ > 0. So cos θ = 20/29.
No her estimate is to low because if you multiply 15.5 by 12 you get 186
Answer:
4 I believe
Step-by-step explanation:
sorry if im wrong, (didn't know if the and was to add or multiply,sorry!)
The answer is 72.1.you should dot infront sizes and then equals them
