Question

sinA (1+tan A)+cos A(1+cot A)=secA+cosec A.prove it!!

Answer 1

i'd rewrite all the tan, sec, cosecs to sin and cos

Answer 2

tan = sin/cos
cot = cos/sin
sec = 1/cos
cosec = 1/sin

and now try Left Hand Side
and Right Hand Side seperately
you will see they both are same

Answer 3

I was going to help her

Answer 4

if you are still struck, ask ..good luck shruti

Answer 5

Is she still here anymore?

Answer 6

thx u both!! :)

Answer 7

Shruti....you're back :)

Answer 8

Do you need help with anything else?

Answer 9

Another identity maybe?

Answer 10

ya

Answer 11

Okay, hold on a minute...I will post my online classroom link...

Answer 12

http://authorlive.com/aliveext/LoginToSession.aspx?SessionCode=GpfJpTGlnNLZHHZf77DvRA%3d%3d

Answer 13

You can join me in my classroom and we can go over a problem.

Answer 14

I posted my online classroom link above.

Answer 15

^1+sinA/1-sinA-secA=secA-^1-sinA/1+sinA.

Answer 16

You can re-post the problem in the classroom and we can go over it.

Answer 17

Shruti, are you still here?