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OpenStudy (liv1234):
@phi Can you please help me I'm really confused.
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OpenStudy (liv1234):
OpenStudy (phi):
didn't you just do this? tan^2 = sin^2/cos^2 sec^2 = 1/cos^2
OpenStudy (liv1234):
@phi I'm confused, I don't remember doing this.
OpenStudy (phi):
use the two hints: tan^2 = sin^2/cos^2 sec^2 = 1/cos^2
OpenStudy (liv1234):
Would it be C?
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OpenStudy (liv1234):
@phi
OpenStudy (phi):
yes
OpenStudy (liv1234):
Can you help me with another one please? I just need you to check my answers.(:
OpenStudy (liv1234):
@phi
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