Guineapilover
Guineapilover Guineapilover
  • 02-06-2016
  • Mathematics
contestada

Solve for x? I don't think any angle is a 90 degree angle. I didn't draw it exactly right.

Solve for x I dont think any angle is a 90 degree angle I didnt draw it exactly right class=

Respuesta :

padawan
padawan padawan
  • 02-06-2016
from cosine law
c^2 = a^2 + b^2 -2abcos(C)
cos(C) = (a^2 + b^2 - c^2)/2ab
this formula will solve your problem
Answer Link

Otras preguntas

1) What is the equation of the line whose y-intercept is 3 and slope is 1? y = x - 3 y = x + 3 y = 3x + 1
if f (x)=0 what is f (x)=9x^2+4x+9
Write equation for the ellipse with foci (9,0) and (-9,0) and endpoints on the verticle axis of (0,2) and (0,-2).
A number added to itself twelve times is five more than twice the number. What is the number?
1) Use the rules of exponents to evaluate or simplify. Write without negative exponents. 3*4^0 = ____ 2) Use the rules of exponents to evaluate or simplify. Wr
A chemist has one solution that is 80% acid and another solution that is 30% acid. How much of the first (80%) solution is needed to make a 400 L solution that
1) Use the rules of exponents to evaluate or simplify. Write without negative exponents. 3*4^0 = ____ 2) Use the rules of exponents to evaluate or simplify. Wr
Find the unknown side of the right triangle. Round to the nearest thousandths. One side is 9yd, the other side is 12 yd.
A number added to itself twelve times is five more than twice the number. What is the number?
Why is it important for doctors to consider the age and sex of a patient when diagnosing endocrine disorders?