Answer:
Given point (5,-12) falls into IV quadrant
<u>The right triangle with legs of 5 and -12, and hypotenuse is:</u>
- √5² + (-12)² = √25+144 = √169 = 13
<u>Value of sinθ, cosθ, and tanθ:</u>
- sin θ = -12/13
- cos θ = 5/13
- tan θ = -12/5
How much string is needed to make one bracelet?
From the information given, she should have enough to make 4 bracelets for each of her friends if she uses 5 strings per bracelet.
Do the formula length times width times height.
Then, round like you normally would!
And for the second one, just multiply 2.5 x 6!