Quadrant type of problem

Question

In a quadrant there are four sides sooo

Answer 1

There are several facts which will help you to answer this question.

1> In a 30-60 right triangle the ratio of the sides is 2:1:√3.

2> In an isosceles right triangle the ratio of the sides is 1:1:√2.

3> AllSinTanCos is a mnemonic to remember which trig functions are positive in which quadrant.