Q. 105.0( 1 Vote )

# Solve : <span lan

Given, .

On comparing both sides, we have

sin2 x = cos2 x = �

Note: If we want to give solution using above two equations then task will become tedious as sin x can be positive at that time cos will be negative and similar 4-5 cases will arise. So inspite of combining all solutions at the end,we proceed as follows

combining both we can say that,

all the solutions of first 2 equations combined will satisy this single equation

tan2 x = 1 tan x = tan y, implies x = nπ + y, where n Z. Rate this question :

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