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Grade 12th passTrigonometry

How to solve tan225-cot81.cot69 whole divided by cot261+tan21

Profile image of Raje
9 Years agoGrade 12th pass
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1 Answer

Profile image of manish
9 Years ago
Tan225-cot81cot69/cot261+tan21=tan 45-tan9tan21/tan9+tan 21=1-tan9tan21/tan9+tan21=1/tan(9+21)=1/tan30=root 3Manish kumar panda