Find the value of: 2 sin68 degree/cos 22 degree— 2 cot 15 degree/ 5 tan 75 degree— 3 tan 45 degree tan 20 degree tan 40 degree tan 50 degree tan 70 degree/5
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2sin68/cos(90-68) - 2cot15/5tan(90-15)- 3 x 1 (tan20.tan40.tan(90-40).tan(90-20)/5
2sin68/cos68 - 2cot15/5cot15 - 3(tan20.tan40.cot40.cot20)/5
2-2/5-3/5
(10-2-3)/5
5/5
=1
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