Question

tan3x+tan7x=1,find x

Answer 1

tan3x + tan7x = 1

tan(3x+7x) = 1

tan10x = 1

Here,

we know that

tan45° = 1

Hence,

tan10×4.5 = 1

tan45° = 1

Hence,

Value of x = 4.5

Here is your answer..