Question

If cot alfa =1÷4 and COt beta =5÷3 then
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Answer 1

Answer:

cot A= 1/tanA

therefore,

cot alfa = 1/tan alfa

tan alfa = 4

cot beta = 1/tan beta

tan beta = 3/5

OR

(tan alfa + tan beta)/ 1-tan alfa .tan beta

=(4/1+ 3/5)/1- 4/1 . 3/5

= (23/5)/ 1-12/5

=(23/5)/ -7/5

= -23/7

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