Maths
This question was asked in Ex 3.3, 13

If tan x=a÷a 1and tan y=1÷2a 1 show that one of the value of. X y=π÷4 ;a€R ,a not equal to -1 ,a not equal to -1÷2

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Ran Veer
Sept. 15, 2017, 5:36 a.m.

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