sin -30 degree ka hal pura
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sin -30 = -30×pie ÷180
then we get =pie ÷ 6 when pie is multiply 3 then (30 cames at 3rd number (0,-15,-30) )
we get =-1/2
means sin -30 = -1/2
then we get =pie ÷ 6 when pie is multiply 3 then (30 cames at 3rd number (0,-15,-30) )
we get =-1/2
means sin -30 = -1/2
aasish29:
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