Please solve it.
Prove that:
sin^2 x+ sin^2 (120-x) +sin^2 (120+x)=3/2
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Basically, you need to break the sine part by the formula of sin(A+B), and then it'll become easy. :)
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Abprasnajitmund123:
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Oh. Is it sarcasm? If not, then thank you!
no it is not
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Thank you :)
my pleasure
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