Question

prove Thst
sin 50-sin70+sin10=0

Answer 1

hello ☺


please refer to the attachment above......


thank you ☺

Answer 2

HEYA! !
ANSWER - : ✔ ✔

Sin(60)Cos(10) - Cos(60)Sin(10) -{Sin(60)Cos(10) + Cos(60)Sin(10)} + Sin(10)

On simplifying we get:

-2*Cos(60)Sin(10) + Sin(10)

Using Cos(60) = 1/2 in above expression we get:

-2*(1/2)*Sin(10) + Sin(10)

= 0

HOPE IT HELPS ✌