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Question

tan(2×30)=2tan301tan230, if true then write 1 and if false then write 0

Solution
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To Prove: tan(2×300)=2tan3001tan2300
L.H.S: tan(2×30)=tan60=3
R.H.S: 2tan3001tan2300
= 2(13)1(13)2
= 2323
= 3
Thus, L.H.S=R.H.S

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