sin(x) = opp/hyp
cos(x) = adj/hyp
tan(x) = opp/adj
sin(x) = 3.9/8.1
sin(x) = 0.481
Inverse sin of 0.481 = 28.8 degrees
Each answer should be between 0 and 90 :)
X= 5 or -8
Add all the like terms and set it equal to 49, use quadratic formula or factoring.
Answer:
1 is C and 2 is B
Step-by-step explanation:
Answer:
the answer is 5+4× and ur welcome
