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TUIf tan + sin 6 = m and tan 8-sin 8 = n,then m? - n’ is equal to(a) mn(c) 4 Jan(d) of theseA

Answer»

option c is correct answer

C is a correct answer

(tanx + tany)^2 - (Tanx- tany)^2= tanx^2+ tany^2+2 tanxtany-tanx^2-tany^2+ 2tanxtany=4Vmn

option c is the correct answer of the given question



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