Question

निम्नान
बहु
पद
(1)0.23 (2) 0.202300
निम्नलिखित में
(1)127-1 (2)
x+2
X
दो चरों वाला रैखिक समीकर
(1) ax+bx+c=0
(2)ax+b=0
​

Answer 1

Solution :- As we know that, Tan( A + B ) = tanA + TanB /1- TanA*TanB similarly,

Tan 45º = Tan (20° + 25°) = Tan20° + tan25 /1-

Tan20°Tan25°

1 = tan20° + tan25° / 1 - tan20° tan25°

1 - tan20° tan25º = tan20° tan25° Answer