Chapter ten trig cards
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| SOH | Sin = Opposite Over Hypotenuse
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| CAH | Cos = Adjacent Over Hypotenuse
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| TOA | Tan = Opposite Over Adjacent
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| Complements Theorem for all Theta between 0 and 90 degrees | Sin of theta = Cos (90 - theta) and Cos Theta (90 - Theta)
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| Theorem ( Pythagrean Identity) | For all theta between 0 and 90, (cos of theta)Squared + (sin of theta) squared = 1
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| Sin 30 | sin 30 = cos 60= 1/2
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| law of cos | c squared = a squared + b squared - 2ab * cos C
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| Law of Sines | sin A/a = sin B/b = sin C/c
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| Define a sine wave | a graph wich can be mapped onto the graph of g(theta) = sin Theta by any composite of translations, scale changes, or reflections.
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| supplements theroem | for all theta in degrees, sin theta = sin (180 - theta)
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| Define angle of elevation | the angle between the horizontal and the observers line of sight.
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| Define angle of depression | same as angle of elevation but all oppostie
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| Sin 45 | sin 45 = cos 45 = (squareroot2)/2
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| Sin 60 | sin 60 = cos 30 = (squareroot3)/2
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| What is a unit circle | a circle with center at the origin and radius 1 unit
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