Cos θ=1/3
cos θ=sen (90-θ)
therfore:
sen (90-θ)=1/3
To chek
θ=arc cos 1/3=70.53º
sin (90-θ)=sin (90º-70.53º)=sin 19.47≈0.3333≈1/3
To answer this question I believe you just need to subtract the two values
-12-(-27) = -12 + 27 = 15
The temperature dropped 15 degrees
hope this helped!
Answer: 7 months
Step-by-step explanation:
He started at 4 pounds so if he grew 3 pounds every month, it would take 7 months to grow 21 pounds. 21 pounds plus 4 pounds is 25 pounds.
Answer:
-12 of 3
Step-by-step explanation:
The number is 2/9 hope that helps!
