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Cos theta=4/9 state the five trigonometric ratios for each acute angle theta.
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Cos theta=4/9 state the five trigonometric ratios for each acute angle theta.
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Aug 4, 2018
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Cos theta=4/9
state the five trigonometric ratios for each acute angle theta.
Mathematics
high-school
Pradeep Kashyap
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Pradeep Kashyap
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Draw a TRIANGLE.
/ |
/ |
9 / |
/ |
/ | √65
/ |
/ |
/ θ |
-----------------
4
P.S. I used Pythagorean Theorem for remaining side.
cos θ = 4/9
sin θ = √65/9
tan θ = √65/4
csc θ = 9/√65
sec θ = 9/4
cot θ = 4/√65
Patrick Kelleter
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Aug 7, 2018
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Patrick Kelleter
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