1.

If α+β=π4, then the value of (1 + tan α) (1 + tan β) is(a) 1(b) 2(c) –2(d) not defined

Answer» If α+β=π4, then the value of (1 + tan α) (1 + tan β) is

(a) 1

(b) 2

(c) –2

(d) not defined


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