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Solving for secant and tangent
Questions (1)
Find secx if sinx = -4/5 and 270 < x < 360.
tan^2x+1=sec^2x (-4/5)^2+1=sec^2x 16/25+1=sec^2x 17/25=sec^2x sqrt 17/5 I don't know
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does it matter at this point?
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Trigonometric Identities
