Question

sin, cos or tan?

Answer 1

Do I use Sin, Cos or Tan for this question?
@mathmale @mathstudent55 @mathmate

Answer 2

Tan

Answer 3

So the answer is 12.9?

Answer 4

what you have to figure out is the orientation of the sides marked a and 12 relative to the given angle.
a = opposite side
12 = adjacent

tan = opposite / adjacent

Answer 5

okay, thanks welshfella!

Answer 6

@kenrick143 - please dont give direct answers without explanation Read Code of Conduct for this site.

Answer 7

12.9 is correct

Answer 8

@NvidiaIntely
To help in the future, when the hypotenuse is NOT involved in the ratio of the two sides, tangent should be used.

Answer 9

Thanks!