Math, asked by vanimanchanda19, 1 year ago

if tan(20-3alpha)=cot (5alpha-20) then find the value of alpha

Answers

Answered by Girija11
2
the value of alpha is 5
tan(20-3alpha)tan(5alpha-20)=1
tanAtanB=1
therefore A=B
20-3alpha=5alpha-20
alpha=5
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