Use your knowledge of the Unit Circle to determine whether each of the following trigonometric expressions is positive or negative. tan 143 cos (5) sin 362 csc (4) cos (π) :: Positive :: Negative

Q: Evaluate 1 1 I sin cos de. 0 0

A:

Q: csc(t) – sin(t) cot(t) Simplify to a single trigonometric function. List two identities that you…

A: Given, We have to simplify this and convert it into a single trigonometric function.

Q: Determine the exact value of cos (15°), sin (15°), and tan(15°).

A: To find the value of: cos (15°), sin (15°), and tan(15°)   Using trigonometric formula:

Q: Write cos ⁡ ( θ ) in terms of sin ⁡ ( θ ) if θ is an angle in quadrant II.

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Q: Find the measure of cos-1 (-0.5) in degrees and radians.

A: cos-1-0.5

Q: tan A cot A =1+ tan A+ cot A=1+sec A cosec A. + 1-cot A 1- tan A

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Q: 49° = 60° = 20 10x2

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Q: Use the different identities to identify the values of the other trigonometric functions if sin…

A: The trigonometric identities required to find the other ratios are:…