× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
g
3
3
2
J
2
p
2
m
2
h
2
s
2
r
2
d
2
l
2
a
2
Home Q & A Board Science-Related Homework Help Mathematics Pre-calculus and Functions
New Topic  
bio_man bio_man
wrote...
Administrator
Educator
Posts: 33233
Rep: 3442 15
5 years ago
I know:

\(\sin ^2x+\cos ^2x=1\)

but what about:

\(\sin ^23x+\cos ^23x=1\)
Read 97 times
1 Reply

Related Topics

Replies
bio_man Author
wrote...
#1
Educator
5 years ago Edited: 5 years ago, bio_man
Answer:

Any time you see: \(\sin ^2nx+\cos ^2nx=1\), where \(n\) represents any integer, the identity applies.

Therefore, only when the angles are the same, can the identity be applied.
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1121 People Browsing
 120 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 219
  
 203
  
 223
Your Opinion
Which country would you like to visit for its food?
Votes: 204
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?