sin4thetha-cos4theta=dash plzzzzzzzzzzzzzzzzzzzz answr this and why that thing
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(sin2theta +cos2theta) square
=sin4theta+cos4theta+2sin2thetecos2theta
=>sin4theta+cos4theta=1 - 2sin2thetacos2theta.
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=sin4theta+cos4theta+2sin2thetecos2theta
=>sin4theta+cos4theta=1 - 2sin2thetacos2theta.
If you like my answer
Please mark it as brainliest
And
Be my follower if possible.
Shardul27:
Yes I know that I am also talking with you due to Mathematics only
ok bye iwill join u tommorow in whatsapp and send u trignometry sample papers
time
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3 noon or 5 evening
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