Grade 12th passTrigonometry
Sin10+sin20+sin30+sin40+....+sin360 what is the solution?
Sin10+sin20+sin30+sin40+....+sin360 what is the solution?
1 Answer
Arun
sin10+sin20+sin30+....+sin360=0
sin10+sin20+sin30+sin40+...sin180+sin(360-170)+......+sin(360-40)+sin(360-30)+sin(360-20)+sin360-10)+sin360
sin360-x=-sinx
hence all terms cancel and
| sin10+sin20+sin30+....+sin360 = 0 Hope it helps |
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