itsbayleexoxo15 itsbayleexoxo15
  • 25-09-2019
  • Mathematics
contestada

10. In ABC, if A and B are acute angles, and sin A= 10/13
what is the value of cos A ?

Relax

Respuesta :

gilbertor9489
gilbertor9489 gilbertor9489
  • 25-09-2019

Answer:

In triangle AB, A and B are acute angles so. AC and BC are right angles.

Sin A = 10/13

13 is the hypotenuse side and 10 is the opposite side.

To find cos A.

From pythagorean theorem:

Step-by-step explanation:

Answer Link

Otras preguntas

what is the lithosphere made out of?
A rectangle is 5 units long. The rectangle is also 3 units wide. What is its perimeter?
If (-3, y) lies on the graph of y = (1/2)x, then y =
which expression stands for 32 more than a number d
A 100 centimeter stick broke into 3 pieces one piece was 7 centimeters long and another was 34 centimeters long how long was the third piece
should the object be measured in grams or in kilograms? a feather a bulldog a television a penny
A rectangle is 5 units long. The rectangle is also 3 units wide. What is its perimeter?
If something in a store costs $45, and the markup is 35%, what is the selling price?
How did its first pharaoh unify Egypt
Which mathematical sentence most accurately expresses the information in the problem below? Crystal has 100 compact discs that she wants to put into boxes each