A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
Hannah_Ahn
 4 years ago
Prove the identity
\[\left( \sin2x \over 1+\cos2x \right) = \left( \sec ^{2}x1 \over \tan x \right)\]
Hannah_Ahn
 4 years ago
Prove the identity \[\left( \sin2x \over 1+\cos2x \right) = \left( \sec ^{2}x1 \over \tan x \right)\]

This Question is Closed

Yifan12879
 4 years ago
Best ResponseYou've already chosen the best response.1use sin2x=2sinxcosx cos2x=2cos^2 x 1 sec^2 x 1 =tan^2 x then LHS=tanx=RHS

Hannah_Ahn
 4 years ago
Best ResponseYou've already chosen the best response.0how did you get tan^2x

Hannah_Ahn
 4 years ago
Best ResponseYou've already chosen the best response.0I got Left side : sinx over cosx1 Right side : (1over cosx1) over sinx ...?

Yifan12879
 4 years ago
Best ResponseYou've already chosen the best response.1dw:1325728083428:dw
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.