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OpenStudy (dtan5457):
Can someone explain this rule to me and give me examples? (trig)
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OpenStudy (dtan5457):
OpenStudy (dtan5457):
@SolomonZelman
OpenStudy (dtan5457):
@Directrix
OpenStudy (dtan5457):
@Jhannybean
OpenStudy (alyssa_xo):
sin(90-theta) = cos(theta)
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OpenStudy (alyssa_xo):
I don't remember the subtraction/addition formulas so I assume this is correctly proven https://answers.yahoo.com/question/index?qid=20090429012702AA6ZWCf
Directrix (directrix):
"Co" is for complementary. I think about it like this: |dw:1424918688535:dw|
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