Question

Find the sine of angle A.

Is it 4/3?

http://i729.photobucket.com/albums/ww292/akatushi101/A2_5_Exam_15.jpg

Answer 1

What is the formula/definition for sine?

Sin x = ?/?

Answer 2

Soh Cah Toa.

Answer 3

what...?

Answer 4

What is the formula/definition for sine? Sin x = ?/?

Answer 5

\[\Large \sin \theta = \frac{o}{h}\]
Gold star for me!

Answer 6

opposite/hypo

Answer 7

so it is 12/9 which makes 4/3..is my answer correct?

Answer 8

Is 9 opposite to A?

Answer 9

hypotenuse is *always* the longest leg

Answer 10

Oh wait haha... is 12 opposite to A, and is 9 the hypotenuse?

Answer 11

what is the sine for this triangle?

Answer 12

oppps, 9 is not the hypotenuse, the longest side is 15

Now that we have

sin A = 12/15

or

Sin A = 4/5

Answer 13

oh okay

Answer 14

Can you figure out the sin of angle B for this triangle?

Answer 15

hypotenuse is *always* the longest leg