Still haven't received any help! I will medal and fan those who help me out!

Could someone please help me with proving the two following trig identities?

a. (2)/sqrt3 * cosx + sinx = sec(pi/6 -x)

b. tan (theta/2) = sin theta/ 1+ cos theta

Question

Still haven't received any help! I will medal and fan those who help me out!

Could someone please help me with proving the two following trig identities?

a. (2)/sqrt3 * cosx + sinx = sec(pi/6 -x)

b. tan (theta/2) = sin theta/ 1+ cos theta

anonymous · Answer

Convert the following unit areas as indicated. (Answer is in tenths.)

To the nearest tenth, 25 square inches = i have to get this done by 10 am this morning homeschooled student here'

anonymous · Answer

Ummm...you post questions separately. You just posted your question as a reply to mine so no one will see it.

anonymous · Answer

|dw:1401716278086:dw| So people can better understand what I am saying. (part a)