In the triangle ABC, it is known that the angle is C = 90 °, BC = 6 cm, AB = 10 cm. What is sinA?

univerkov | May 9, 2021 | education

Since, by condition, the angle ACB = 90, then the triangle ABC is rectangular.

In a right-angled triangle, the sine of its acute angle is the ratio of the length of the opposite leg to the length of the hypotenuse.

Then SinВАС = ВС / АВ = 6/10 = 0.6.

Answer: The sine of the angle BAC is 0.6.

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