Question

Solve for angle A. Please help quickly !!

Answer 1

∠ A ≈ 75.7°

Explanation:

Given

`(sinA)/(8)` =
`(sin58)/(7)` ( cross- multiply )

7 × sinA = 8 × sin58° ( divide both sides by 7 )

sinA =
`(8sin58)/(7)` , then

∠ A =
`sin^(-1)` (
`(8sin58)/(7)` ) ≈ 75.7° ( to the nearest tenth )