itsbayleexoxo15 itsbayleexoxo15

25-09-2019
Mathematics

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

Respuesta :

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:

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