A community for students.
Here's the question you clicked on:
 0 viewing
richyw
 2 years ago
could someone give me a refresher on what to do with somthing like this
\[\sin\left( 2\sin^{1}\left( \frac{1}{2}\right)\right)\]
richyw
 2 years ago
could someone give me a refresher on what to do with somthing like this \[\sin\left( 2\sin^{1}\left( \frac{1}{2}\right)\right)\]

This Question is Closed

Chlorophyll
 2 years ago
Best ResponseYou've already chosen the best response.1Start from inside out: 1/2 = sin 30° > 2arcsin1/2 = 2 * 30 = ... => sin (.. ) = ...

richyw
 2 years ago
Best ResponseYou've already chosen the best response.0thanks, I made a typo though. I meant to say \[\sin\left( 2\sin^{1}\left( \frac{x}{2}\right)\right)\]

richyw
 2 years ago
Best ResponseYou've already chosen the best response.0\[y=\sin\left( 2\sin^{1}\left( \frac{x}{2}\right)\right)\]\[\sin^{1}y=2\sin^{1}\left(\frac{x}{2}\right)\]

Algebraic!
 2 years ago
Best ResponseYou've already chosen the best response.1sin2(theta) = sin(theta)*cos(theta)

Chlorophyll
 2 years ago
Best ResponseYou've already chosen the best response.1Use the half angle formula: sin2a = 2 sina cosa with a = arcsin (x/2)

Algebraic!
 2 years ago
Best ResponseYou've already chosen the best response.1dw:1354928836731:dw

Algebraic!
 2 years ago
Best ResponseYou've already chosen the best response.1so x/2 * (sqrt(4x^2))/2

richyw
 2 years ago
Best ResponseYou've already chosen the best response.0thanks! totally forgot how useful those triangle diagrams are!
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.