Question #274ab

1 Answer
Aug 29, 2017

sin B = b/c
cos B = a/c

Explanation:

the formula for sin is sin(an angle) = (opposite)/(hypotenuse)
so since c is the side length of the hypotenuse and b is the side opposite of Angle B then the sin B = b/c

the formula for cos is cos(an angle) = (adjacent)/(hypotenuse)
since a is the side adjacent to Angle B and c is the hypotenuse the cos B = a/c

sin(theta)= o/h soh
cos(theta) = a/h cah
tan(theta) = o/a toa