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Please help me ,how to solve this
(2cos40o - cos200) / sin200 = ?

Boki , 8 Years ago
Grade 12th pass
anser 1 Answers
Arun
Dear student
 
2cos40 - cos20 = cos40 + cos40 - cos20 = cos40 - 2sin30sin10 = cos40 - cos80 = 2sin60sin20,
so (2cos40 - cos20)/sin20 = 2sin60 = √3.
Regards
Arun (askIITians forum expert)
Last Activity: 8 Years ago
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