1.

af tand + CotA=2, thenfind the value of tan? A + CotA

Answer»

(tan A + cot A=2)=(tan A + cot A=2)^2=tan^2A+2tanAcotA+cot^2=4; tan^2A+cot^2+2=4; tan^2A+cot^2A=2



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