In triangle ABC, angle C is 90 degrees, AB = 8, BC = 2. Find the sine alpha.
| August 31, 2021 | education
The triangle is rectangular.
sin a is the ratio of the opposite leg to the hypotenuse.
BC – the opposite leg, in relation to the angle A.
AB – hypotenuse.
AB = 8;
BC = 2;
Substitute the known values, and find the sine of angle B.
sin B = BC / AB = 2/8 = 1/4 = 0.25.
Answer: sin B = 0.25.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
