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  1. QUESTION 44.1 Simplify, without using a calculator: 4.1.1 𝑠𝑖𝑛 (−135°)·𝑠𝑖𝑛 240°·𝑐𝑜𝑠
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  2. how to get the answers:which represents the reference angle for 3pi/4 The answer is pi/4 4. Neela’s clock is broken. The
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  3. which represents the reference angle for 3pi/4The answer is pi/4 4. Neela’s clock is broken. The minute hand rotates around
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    2. Multiple Choice asked by Multiple Choice
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  4. Which of the following are true? Select all that apply.A. tan(theta)= cos(theta)/sin(theta) B. cot(theta)= cos(theta)/sin(theta)
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  5. 1.Verify the basic identity. What is the domain of validity? Cot θ = cos θ csc θ 2. Verify the identity. Justify each step.
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  6. Find the exact values of cos 210° and sin 210°○ cos sin #129 O cos; sin 一隻 ○ cos sin=- ○ cos = 1; sin = √ 2
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  7. 6. Find the exact value of each of the following using the special triangles, the unit circle, or both. In each case, state
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  8. The _____ side length is next to theta.A. adjacent B. opposite C. hypotenuse
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  9. 1. For what values is the following equation true? sin(x+20)=cos(y−10)A. X=30 and y=60 B. X=30 and y=40 C. X=20 and y=50 D.
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  10. 1. For what values is the following equation true? sin(x+20)=cos(y−10)A. X=30 and y=60 B. X=30 and y=40 C. X=20 and y=50 D.
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  11. Reduce cos 1102∘to the sine of an acute angle sin ....∘
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  12. side AC= 16c=30 degrees b=90 degrees a=60 degrees Solve for BA rounded to the nearest tenth = Solve for BC rounded to the
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