Question

PLEASE DO IT IN NOTEBOOK​

Answer 1

Step-by-step explanation:

1-cos^2@=sin^2@

1-sin^2@=cos^2@

√sin^2@/cos^2@=√tan^2@=tan@

Answer 2

Answer:

√1 - cos² 0 / 1 - sin² 0

We know that Sin²0 + Cos² 0 = 1

Also, Sin² 0 = 1 - Cos²0

And Cos² 0 = 1 - Sin² 0

√1 - Cos² 0/ 1 - Sin² 0

= √Sin²0/Cos² 0

= Sin 0/Cos 0

= tan 0