Find the exact value of cos(165°).

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Q: Find a cofunction with the same value as the given expression sin 46°

A: We will use the formula sin(x)= cos(90°-x)   Here, x=46°

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Q: Find the exact value of cos π /12.

A: Given expression: cosπ12 We can write the above expression as cosπ12=cosπ4-π6

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A: cosθ=-712

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Q: Find the exact (radian) value of the function: arccos (-) 5m 6. 27 0.

A: Topic = Trigonometry

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Q: Find, the value Cos 20, when: * .cose = 12/13

A: The cosine angle in a right  triangle is ratio of base to the hypotenuse. cosθ=BaseHypotenuse From…

Q: Find the exact value of cos 45°.

A: NOTE: Refresh your page if you can't see any equations. . from the trigonometric table, we can…

Q: Use half-angle formula to find exact value of cos 15°.

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Q: snip

A: Find the exact value of cossin-1-13.

Q: solve the equation cos(20) ={ for angles e on the interval

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Q: Use the figure to find the exact value of the following trigonometric function. 12 cos (20)

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Q: Find the Exact Value of cos(165°)

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Q: Determine the exact value of cos 12

A: Given,          cos7π12

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A: Topic = Trigonometric ratios

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Q: Find the exact value of the expression. cos(sin": V+ cot-1 V3)

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Q: Find the exact value of cos 105° by using a sum or difference formula.

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Q: Find the exact value.cos 75°

A: Consider cos 75°=cos45°+30°

Q: Find the exact radian solutions of the equation in the interval 0,27). cos 20 = 5 cos 0 – 3

A: Explanation of the answer is as follows

Q: Write cos 0 in terms of sin 0, for 0 in quadrant III.

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Q: Find the exact value for cos 75 degree

A: we have to find the exact value of cos75∘

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Q: Find the exact value of cos tan

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Q: Find the exact value of cos 15°.

A: To find value of cos15°. We know that cosa-b=cosa cosb+sina sinb Therefore, using the above formula.…

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Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. cos (2)

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Q: Find the exact value. 1. cos165°

A: Exact value of  Cos(165) = -0.965925826

Q: Find the exact value of cos 75° by using a sum or difference formula.

A:

Q: Find the exact value, if possible, cos(cos-1 1.5).

A: Consider the provided expression, coscos-11.5 Find the exact value.

Q: Find cos(2A), if sin(A) and A is in quadrant 3. 41

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Q: Find an exact value for cos(75 degrees)

A: Given: The trigonometric angle cos75° To find: The exact value of cos75°.

Q: Find the exact value of cos" 7. tan

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

Q: Find a cofunction with the same value as the given expression cos Pi/17

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Q: Complete the formula for the law of cosines: cos A = _________

A: To determine: Complete the formula for the law of cosines: cos A = _________

Q: Use the formula for cos (A + B) to find the exact value of cos 75 degree

A: Given The expression is cos 75°.     Formula :- cosA+B=cos A cos B- sin A sin B

Q: Find the exact value

A: Given information:The given expression is .

Q: Use a half-angle formula to find the exact value of cos 22.5°.

A:

Q: What is the first step in finding the exact value of cos 495 degree ?

A: We have to determine the value of term cos495°. Since, angle θ=495° is more than 360°, therefore the…

Q: Find the exact value of cos(105°).

A: This question is related to the trignometric identities, We will solve it using given information.

Q: Find the exact value of cos 495 degree.

A: Evaluate cos495°