Write the expression as the sine, cosine, or tangent of a double-angle. Then find the exact value of the expression. cos 150° - sin2150° .... Which expression is cos 150° – sin150° equal to? Select the correct choice below and fill in the answer box within your choice. (Simplify your answer. Type your answer in degrees. Use integers or decimals for any numbers in the expression.) O A. cos 2150° – sin2150° = sin O B. cos 150° - sin2150° = cos Oc. cos 2150° - sin 2150° = tan

Q: Write the following expression as the sine, cosine, or tangent of a double angle. Then find the…

A: Given expression: 2 cos2 π8-1   Double angle identity of cosine: cos 2θ=2 cos2 θ-1

Q: Without using a calculator, compute the sine and cosine of 315° by using the reference angle. (Type…

A: This question is related to trignometry , we will use the concept of refrence angle to solve it.

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A:

Q: Use the Law of Sines to find the indicated side x. (Assume a = 13. Round your answer to one decimal…

A: Given that , ∠A=37.5°∠B=28.10° and we assume a=13Since , total angle of a triangle is 180°then ,…

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A:

Q: Write the following expression as the​ sine, cosine, or tangent of a double angle. Then find the…

A: Given expression is : 2sin45°cos45° Here above expression can be be written as sine double angle as:…

Q: If the sine of an angle is 2425, what is the sine of the angle's complement? 24 25

A: See the details solution in below

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A: Given expression is, tan(1.1)-tan(4.7)1+tan(1.1)tan(4.7)

Q: Using your calculator, find ∅ to the nearest degree if the sin of ∅ = 0.6691

A: Given: sinϕ=0.6691 To evaluate: The value of ϕ in degree.

Q: Write the expression as the sine, cosine, or tangent of an angle. sin 60° cos 5° + cos 60° sin 5°

A: The following formula is used in solving the given function.

Q: Write the expression as the sine, cosine, or tangent of an angle. sin 50° cos 5° + cos 50° sin 5°

A:

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A: We will find the sine,cosine and tangent of the acute angles in the following step

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A: To find the angle theta in (0, 360°) having same as sin(40°) and cos(40°)

Q: Given that A = 0.75 radians in the picture below, find the length of the hypotenuse and the other…

A: use the trigonometric ratio to  find the leg

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Q: Write the expression as the sine, cosine, or tangent of an angle. tan(t/20) + tan(37/5) 1 -…

A: Using the following formulae :- tan(A + B) = (tanA +tanB)/(1-tanA tanB)  sin (A+B)= sinAcosB +…

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A: Given,

Q: A 37.5° a 28.1° В

A:

Q: Write the expression as the sine, cosine, or tangent of an angle tan(7/15) + tan(27/5) 1. -…

A: In this question, following simple equation is used- tan(x+y)= (tanx + tany)/(1-tanx*tany)

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A: Given sin5π12cosπ4-cos5π12sinπ4 Take sin5π12cosπ4                      ⇒sin5 × 18012 . cos1804⇒sin75…

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A: Use the following identity. sinA+B=sinAcosB+cosAsinB

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A:

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A: Given:         Since the given angle is 210∘.Let θ=210∘.

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A:

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A:

Q: Use the Law of Sines to find the indicated side x. (Assume a = 17. Round your answer to one decimal…

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Q: Describe the conditions that guide when it is appropriate to use the Sine Law, the Cosine Law, the…

A: Given data condtions  for using the sine rule,    the cosine rule  ,the sum of the interior Angle…

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Q: Write the expression as the sine, cosine, or tangent of an angle. 47T cos 47T sin CoS sin

A:

Q: Given that A = 0.95 radians in the picture below, find the length of the hypotenuse and the other…

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Q: Write the expression as the sine, cosine, or tangent of an angle. sin 70° cos 10° + cos 70° sin 10°

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A: Given:       2sin75∘ cos75∘

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A:

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A: Given that

Q: Write the expression as the sine, cosine, or tangent of an angle. 6T sin 5. CO COS 7 - sin 7

A: Here we have to use the trigonometric identity

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A: Given query is to rewrite the expression.

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A: Given:          (tan50∘−tan20∘)(1+tan50∘tan20∘)

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A: Known fact: sin2θ=2sinθcosθ

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A: Given,  sin(225°)

Q: Use the Law of Sines to find the indicated side x. (Assume a = 155. Round your answer to one decimal…

A: Here a=155we find the side x