Ask
your own question, for FREE!
Mathematics
24 Online
OpenStudy (anonymous):
sin^4x+cos^4x=1-2cos^2x+2cos^4x hey can anyone do this trig identity? You'll be awesome :)
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
Sin^4x=(sin^2x)^2=(1-cos^2x)^2=1-2cos^2x+cos^4x therfore Left side of eqn is = 1-2co^2x+cos^4x+cos^4x= RHS
OpenStudy (turingtest):
you have the answer, why are you bumping the question?
OpenStudy (anonymous):
maybe he want know how to prove...
OpenStudy (anonymous):
Sorry.. It was a little confusing, but I'll work with I have.
OpenStudy (anonymous):
How did he get 1-cos^2x?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
sin^2(x)= 1-cos^2(x) is fundamental identity of trig
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
stxandrew1214:
I lwk like a junior need help to talk with her and get to know her but I think sh
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
Bounty:
tested love: im so over love it acquires patience i don't have trials an tribulations yet my souls the only one taken i give 90 you give 10 you say that you
SaltySuga:
is it possible to tell how deep a cut is by an open wound? like would i be able t
AndreW2002:
I'm trying to change my profile picture but it keeps saying "Either a error occurred, or you tried to upload a gif" but it's not a gif that I'm using, it's
ShikuniShigana:
The first image is a drawing from 2 yrs ago, the second image is something I did
stxandrew1214:
I lwk like a junior need help to talk with her and get to know her but I think sh
16 hours ago
19 Replies
1 Medal
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
21 hours ago
5 Replies
0 Medals
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
2 days ago
3 Replies
1 Medal
Bounty:
tested love: im so over love it acquires patience i don't have trials an tribulations yet my souls the only one taken i give 90 you give 10 you say that you
20 hours ago
7 Replies
2 Medals
SaltySuga:
is it possible to tell how deep a cut is by an open wound? like would i be able t
3 days ago
5 Replies
1 Medal
AndreW2002:
I'm trying to change my profile picture but it keeps saying "Either a error occurred, or you tried to upload a gif" but it's not a gif that I'm using, it's
5 days ago
3 Replies
0 Medals
ShikuniShigana:
The first image is a drawing from 2 yrs ago, the second image is something I did
1 week ago
1 Reply
0 Medals