Answer:
sinA = ± 
Step-by-step explanation:
Using the Pythagorean identity
sin²A + cos²A = 1 ( subtract cos²A from both sides )
sin²A = 1 - cos²A ( take the square root of both sides )
sinA = ± 
Answer:
none of them are greater than 1.45
Answer:
10 ??
Step-by-step explanation: