Question

Question #f7155

Answer 1

Right angle triangle with sides 3, 4, 5 in the second quadrant

Explanation:

`sin^-1(3/5)=cos^-1(-4/5)`
`sin x=3/5` & `cos x=-(4/5)`
So the triangle is a right angle with sides 3, 4, 5 and in second quadrant as sine is positive and cosine negative.