With using the formulas of addition, calculate:
Sin(180^degree-a^degree)+sin(180^degree-a^degree)
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Answered by
1
hii friends hayma ....
my answer is 2sina
my answer is 2sina
Hayma:
Hello ^.^ can i ask you how you found it?
ya
sin(180-a) + sin(180-a)=sina + sina = 2sina
answer is right ya wrong??
No i didn't find it at all but thanks ^.^
Answered by
1
2 sin a° is the answer
Thank you
Ur welcome
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