A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
anonymous
 one year ago
Hi please help :)
How do we prove that ( tan^3 15 deg 3tan^2 15 deg 3tan15deg ) = 1 ?
anonymous
 one year ago
Hi please help :) How do we prove that ( tan^3 15 deg 3tan^2 15 deg 3tan15deg ) = 1 ?

This Question is Open

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.0write as cubic in x and factor out, hint: look at what x = 1 does.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@IrishBoy123 Got it! thanks for your help :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Please find the step by step solution http://www.mathskey.com/question2answer/31765/howdoweprovethat
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.