Question

If tana=-4/5,then sina is

Answer 1

Answer:

3/5 0r -3/5

Step-by-step explanation:

tana=-4/5

h= 3

tana negative in 2nd and 4th quadrant

hence sina +ve in 2nd and negative in 4th quad.

Answer 2

ans 3/5 or -3/5

tana=-4/5

h= 3

tana negative in 2nd and 4th quadrant

hence sina +ve in 2nd and negative in 4th quad.