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Study
Trigonometry
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use trigonometric identities to transform the left side of the equation into the right side (0 < θ < π/2))
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Oops!
Okay!
use trigonometric identities to transform the left side of the equation into the right side (0 < θ < π/2))
- - -
Oops!
Okay!
Find (if possible) the supplement of the angle: 11π/12
π/12
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Okay!
use trigonometric identities to transform the left side of the equation into the right side (0 < θ < π/2))
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Oops!
Okay!
use the given function value(s) and the trigonometric identities to find the exact value of each indicated trigonometric function.
2√2 / 3 , 2√2 , 3 , 3
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Okay!
evaluate without using calculators: tan (5π/2)
undefined
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Okay!
Find cos θ , csc θ and cot θ (Shaw a written answer!)
8/17 , 17/15 , -8/15
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Okay!
Find Positive coterminal angle for the given angle: -2π/7
12π/7
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Okay!
evaluate without using calculators: tan -π/3
-√3
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Okay!
Find (Positive or negative) coterminal angle for the given angle: 4π/5
14π/5 , -6π/5
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Okay!
Find (if possible) the complement of the angle: π/4
π/4
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Find (if possible) the complement of the angle: 3π/4
none
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Okay!
evaluate without using calculators: cos 11π/6
√3/2
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Okay!
Convert to radian (Do not use a calculator): 150°
5π/6
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Okay!
Find sin θ , sec θ and tan θ (Shaw a written answer!)
15/17 , -17/8 , -15/8
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Okay!
use trigonometric identities to transform the left side of the equation into the right side (0 < θ < π/2))
- - -
Oops!
Okay!
Find the error and then Find the correct answer:
π/9
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Okay!
use trigonometric identities to transform the left side of the equation into the right side (0 < θ < π/2))
- - -
Oops!
Okay!
use the given function value(s) and the trigonometric identities to find the exact value of each indicated trigonometric function.
1/5 , √6 / 12 , 2√6 , 2√6 / 5
Oops!
Okay!
Use the given value (sin θ = 1/2) to evaluate each function: cos θ , sin -θ and tan θ ( 0 < θ < π/2))
√3/2 , -1/2 , 1/√3 = √3 / 3
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Okay!
Find the exact values of the six trigonometric functions of the angle θ
sin θ = 1/3 , cos θ = 2√2/3 , tan θ = √2/4 , sec θ = 3√2/4 , csc θ = 3 , cot θ = 2√2
Oops!
Okay!
use trigonometric identities to transform the left side of the equation into the right side (0 < θ < π/2))
- - -
Oops!
Okay!
evaluate without using calculators: sin -π/6
-1/2
Oops!
Okay!
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