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Trigonometry
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OpenStudy (zappy620):
Can (sin^2x+cos^2x=1) be (-sin^2-cos^2x=-1)?
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OpenStudy (schoolcool):
Indeed Lol
OpenStudy (zappy620):
Are you able to do that? I am unsure since I haven't seen that form of the identity anywhere.
OpenStudy (zappy620):
Oh ok so theres nothing wrong with it then?
OpenStudy (schoolcool):
No theres not.
OpenStudy (zappy620):
Alright thanks for clearing that up :D
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