Question

1-tan2450
बराबर है-
1+tan-450​

Answer 1

Answer:

No

Step-by-step explanation:

1-tan is higher as 1 +tan 450

Answer 2

• On RHS, it is probably tan (45 - A/2) instead of "tan (45 + A/2)."

$\begin{gathered}\sf\frac{CosA}{1+SinA}=\frac{Cos^2A/2-Sin^2A/2}{Sin^2A/2+Cos^2A/2+2SinA/2CosA/2}\\\\=\sf\frac{(cosA/2-SinA/2)(CosA/2+SinA/2)}{(CosA/2+SinA/2)^2}\\\\=\sf\frac{1-tanA/2}{1+tanA/2}=\frac{tan45-tanA/2}{1+tan45*tanA/2}\\\\\sf =tan(45-A/2)\\\end{gathered}$