Question

If cos ø = -4/7 what are the values of sin ø and tan ø

Answer 1

tan=5,5

sin=0,98

Sry when Its wrong

Answer 2

sin• = √13/7

tan•= -√13/4

Explanation:

sin2•+ cos2• = 1

sin• = √1-cos2•

sin•= √1-(-4/7)2

sin•= √1-16/49

sin•= √ 49-16/49

sin•= √ 13/ 49

sin•= √13/7

tan• = sin•\cos•

= √13/7/-4/7

= -√13/4