Question

Is Sin15°-cos15° is negative

Answer 1

Answer: Yes

Step-by-step explanation:

sin30= 1/2, cos 30= root3/2

sin15= 1/4, cos15= root3/4

1/4- root3/4= 1- root3/4

root3= 1.73

1-1.73/4

= -0.73/4