Question

If sin teta=12/13 what is cos teta

Answer 1

sin theta=12/13

sin²theta=144/169

1-cos²theta=144/169

COS²theta=1-144/169

COS²theta=25/169

cos theta=5/13

Answer 2

Answer:

Cos theta = 5/13

Step-by-step explanation:

Use sin square theta + cos square theta = 1