M4maths
Maths Puzzle
Numerical Ability
LCM and HCF
tan^-1(sec x+tan x)
Read Solution (Total 1)
pi/4+x/2
tan^-1(1+sinx/cosx)
tan^-1(1+tan(x/2)/1-tan(x/2) )
tan^-1(tan(pi/4+x/2))
7 years ago
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