11.6k views
2 votes
Find the exact value of each of the remaining trigonometric functions of 0.cos = -12/13, 0 in Quadrant II

User Memen
by
4.3k points

1 Answer

6 votes

We can represent the information in a diagram:

Therefore, the triangle can be brought out as

To find the value of the unknown side, x, we can use the Pythagorean Theorem:

Therefore,


\begin{gathered} 13^2=12^2+x^2 \\ x^2=13^2-12^2 \\ x^2=169-144=25 \\ x=\sqrt[]{25} \\ x=5 \end{gathered}

Therefore, sin θ can be given using the ratio opposite : hypotenuse.

Hence


\sin \theta=(5)/(13)

Find the exact value of each of the remaining trigonometric functions of 0.cos = -12/13, 0 in-example-1
Find the exact value of each of the remaining trigonometric functions of 0.cos = -12/13, 0 in-example-2
User Adamfinstorp
by
4.0k points