Ste7pp2XJericmissama Ste7pp2XJericmissama

15-08-2016
Mathematics

contestada

For an angle Θ with the point (-5, -12) on its terminating side, what is the value of cosine?
a. -5
b. -12
c. -5/13
d. -12/13

Respuesta :

HomertheGenius HomertheGenius

17-08-2016

cos ( theta ) = Adjacent / Hypotenuse
c² = a² + b² = 5 ² + 12² = 25 + 144 = 169
c = √ 169 = 13
Angle theta is in the 3rd quadrant.
cos ( theta ) = - 5/13 ≈ - 0.3846

Answer Link

Otras preguntas

It z²+1/z3= 34, find z3+1/z3 using only positive value of z+1/z

The magic number is -15. Combine each statement with the magic number and determine if it will result in zero. _______ a. An elevator rises 15 floors. _______ b

What do the people in the philippines tell us about the fragility of genetics?.

In early April 1963, the Peace Ponies went to a mass meeting at Sixteenth Street Baptist Church. Martin Luther King Jr. Gave the sermon that night. "I remember

What is the value of x?

The diameter of a circle measures 7 5/6 inches. What is the radius of the circle? Enter your answer as a mixed number in the box.

Many young people today listen to music through the use of ear buds inserted into the ear canal. Some experts are concerned that the prolonged use of ear buds m

hello :D! Are you for or against the LGBTQIA? Explain if yes or explain if no.

Is it possible to go to medical school to practice the study of medicine right after graduating from high school?

which number is closest to - 67 (square root)? A. -9.2 B. -9.4 C. -7.9 D. -8.1