Question

If sinA=cos A find tan^2A +sec^2A
​

Answer 1

ANSWER:

$1 + \frac{1}{ \ { \cos }^{2} a}$

Step-by-step explanation:

==>tan^2 A+ sec^2 A

==>(Sin^2A/ Cos^2A)+(1/Cos^2A)

As sin A = cos A,

==>(Cos^2 A/Cos^2 A)+ 1/ Cos^2 A

==> 1+ 1/ Cos^2A

Hope it helps ☺