Question

उदाहरण: यदि A+ B = 45° हो, तो (1 + tan A) (1 + tan B) का मान होगा:
(a)2
(c) 1
(d)4
(b)3​

Answer 1

Answer:

if A+B= 45

then (1+tanA) (1+tanB)

= (1+1)(1+1)

=2×2

=4