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If sec θ = 5/4 and 0° < θ < 90°, find sin θ.
I'm pretty sure the answer is 3/5, am I correct?
 one year ago
 one year ago
If sec θ = 5/4 and 0° < θ < 90°, find sin θ. I'm pretty sure the answer is 3/5, am I correct?
 one year ago
 one year ago

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Math4LifeBest ResponseYou've already chosen the best response.0
You positive its correct?
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
yup, you can verify it using sin^2 x+cos^2 x =1 so, (3/5)^2+(4/5)^2 = 9/25+16/25 = 25/25 =1 so its correct.
 one year ago
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