`tan 20^(@) + tan 25^(@) +tan 20^@ tan25^(@)=`A. `sin 45^(@)`B. `cos 4 – InterviewSolution

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1.	`tan 20^(@) + tan 25^(@) +tan 20^@ tan25^(@)=`A. `sin 45^(@)`B. `cos 45 ^(@)`C. `cot 45^(@)`D. `csc 45^(@)`
Answer» Correct Answer - C

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