I need help QUICK!! angle A in Quadrant II, cos A= -7/25
tan 2 A=
a. -527/336
b. 336/527
c. 527/336
d. -336/527

Question

I need help QUICK!! angle A in Quadrant II, cos A= -7/25
tan 2 A=
a. -527/336
b. 336/527
c. 527/336
d. -336/527

anonymous · Answer

Don't double post questions like this...

anonymous · Answer

Oh no :( I thought you went offline! I asked for help on the closed post but you had left

anonymous · Answer

i was helping someone else.

anonymous · Answer

So sorry for being impatient. I'm kind of in a rush. Can you please clarify if its c.?

anonymous · Answer

it's not c

anonymous · Answer

you've flipped something....somehow.

anonymous · Answer

Oh, my fault. b. then?

anonymous · Answer

thats the answer i got but i did the math by hand, i would take what i did as proof.  What did you get when you worked out the math?

anonymous · Answer

I found my mistake. I plugged something wrong in the formula you gave me. I went back and found my mistake. Thank you so much for your help!

anonymous · Answer

No problem, I am really glad to hear you went back and found your mistake!!!  Great work!