By using Trigonometric identities, find the exact value of the expression, cos212°cos122° + sin212°sin122°

Q: Use a sum or difference formula to find the exact value of the trigonometric function. cos 12

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Q: Suppose that sin(θ) = 24, where 0 < θ < π/2. Sketch a possible right triangle containing θ, and use…

A: We will find the answers as following.

Q: What is cos20 – sin20 if the terminal point of an arc of length O lies on the line joining the…

A: The distance of (-3,-1) to origin is =r=(-3-0)2+(-1-0)2=10cosθ=xr=-310sinθ=yr=-110

Q: Use trigonometric identities to prove the following: tanA + tanB = sin(A+B) / (cosA cosB) And…

A: topic - trigonometric ratios

Q: Use the fact that the trigonometric functions are periodic to find the exact value of the given…

A: Given, sin33π4  We have to find the exact value of the expression.

Q: Use a sum or difference formula to find the exact value of the trigonometric function. Cos 165°

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Q: Determine the exact value of the trigonometric expressions below: a) tar30° – cos²45° b) sin 225° +…

A: as per our guidelines I am solving only first question with both parts. please resubmit other…

Q: Use the given conditions sin(8)= - 4' to find the values of all six trigonometric functions. (If an…

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Q: Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one…

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Q: Find the exact value of each of the remaining trigonometric functions of 0. 3 cos e = - sin 0 =…

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Q: Use the half-angle identities to find the exact value of the trigonometric expression. sin 곰 12

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Q: Use a sum or difference formula to find the exact value of the trigonometric function. sin 15°

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Q: Find the exact value of each of the remaining trigonometric functions of θ. sec θ=3, csc θ greater…

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Q: If 0 is an angle in standard position and its terminal side passes through the point (20,21), find…

A: Given :            If theta is an angle in standard position and its terminal side passes through…

Q: Use the Difference Formula for Cosines to Find the Exact Value of cos 80° cos 20° + sin 80° sin 20°.

A: We have to find the value of cos80°cos20°+sin80°sin20° using the difference formula for Cosines. We…

Q: Find the exact value of cos20 given csce = – -- and tane > 0 Simplify the trigonometric expression…

A: Given that cscθ=-52 and tanθ&gt;0. Need to find the exact value of cos2θ.

Q: Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one…

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Q: find the exact values of the trigonometric values below sin60 + cos45 - tan60

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Q: Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one…

A: cosA*cosB-sinA*sinB= cos(A+B)Here A=5 and B=85Answer(a): cos(90)

Q: Suppose sine 5 and cose 13 12 Find 13 %3D - - tane.

A: To find the value of tangent using the trigonometric ratio

Q: By using Trigonometric identities, find the exact value of the expression, cos212°cos122° + sin212°…

A: As we know that the trigonometric identity: cosA-B=cosA·cosB+sinA·sinB Given: cos212∘ cos122∘…

Q: Find the exact value of the expression. Do not use a calculator. cos 127.5° sin 7.5°

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Q: Help19

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Q: use the double angle formula to find the general solution for the trigonometric equation cos(2x)+…

A: Need to find x

Q: If 75° 150 then use the half-angle formulas to determine the exact value of sin(75°) cos(75°)

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Q: If sinθ=13/85 and 0≤θ<π/2, use trigonometric identities to find the exact values of cos⁡θ and cotθ…

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Q: Find the exact value of the given trigonometric function. Show your solution. 237 3. tan- 4

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Q: Use a sum or difference formula to find the exact value of the trigonometric function. sin 105°

A: This question can be solved using sum formula

Q: If sin(θ)= √65/9 and θ is in the 2nd quadrant, find the exact value of cos(θ)

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Q: Find the exact value of the expression cos 5π/12 cos π/12 + sin 5π/12 sin π/12. Do not use a…

A: Let the given equation be y - y = cos5π12cosπ12+sin5π12sinπ12Let ,A = 5π12 and B = π12Then,y =…

Q: Use a sum or difference formula to find the exact value of the trigonometric function. Cos 12 cos 12…

A: We have to find

Q: Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one…

A: cos13π15 cos-π5-sin13π15 sin-π5 On simplification, we get cos13π15 cos-π5-sin13π15…

Q: Find exact values for cach expression using sum and difference, double and half angle, or sum to…

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Q: Determine the exact value of sin⁡(2?) by using trigonometric properties only

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Q: Find the exact value of the trigonometric function. (If an answer is undefined, enter UNDEFINED.)…

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Q: cos 0 sin 0 1 6. tan 0 7. sec20 - 1

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Q: Use an addition or subtraction formula to write sin 32°cos 41° - cos 32°sin 41° as a trigonometric…

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Q: Find the exact value of the expression, if it is defined. (If an answer is undefined, enter…

A: Given :   cos ( sin-1 (0) )

Q: If you know that cos 0 = - where that 90° < 0 < 180° Find the numerical value of each: - sin20 cos20…

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Q: Use trigonometric identities to transform the left side of the equation into the right side (0 <0< 9…

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Q: If the csc(0) find the value of the remaining 5 trigonometric functions of 0 with exact values.…

A: We need to find trigonometric functions.

Q: Find the remaining trigonometric functions of 8 based on the given information. tan 6 = 12 and 8…

A: Answer

Q: Find the exact values of the six trig functions. Give an exact answer. No sin(240)° = cos(240)°…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: by using a sum or difference formula. 12 Find the exact value of sin

A: find the exact value of sin-7π12

Q: Find the exact value of the trigonometric function of θ from the given information. sin θ =…

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Q: Use fundamental trigonometric identities to simplify the expression by writing it as a single…

A: Identity used tanx = sinx/cosx (where x is an angle)

Q: Use a sum or difference formula to find the exact value of the expression cos 65° cos 5° + sin 65°…

A: By using trigonometric formula, cosA-B = cos A cos B + sin A sin B To find exact value of  cos 65°…

Q: Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one…

A: To find:cos25∘ cos65∘ -sin25∘ sin65∘