Use a product-to-sum identity to rewrite the expression. cos 43° cos 17° ... cos 43° cos 17° = (Simplify your answer. Do not include the degree symbol in your answer. Use integers o

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Q: (b) –8/2 +8V21 | (X The polar form is | 18 cos + i sin 4 4 Give an exact answer.

A: Here we will find the polar form of given complex number,

Q: n 16 of 20 Step 1 of 1 | Hawkes Learning | Portal - Google Chrome Portal/Lesson/lesson_certify# <-…

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Q: You adopt two kittens from a litter of five kittens. The litter has these kinds of kittens: • two…

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Q: cos 70 - cos 90 = (Simplify your answer.)

A: As per our guidelines we are supposed to answer only one question. Kindly repost others question as…

Q: 114 6) 54 5z

A: Detailed answer is shown below

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Q: For the equation cos 4θ = − sqrt2/2 find all degree solutions without using a calculator.

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Q: Use a system of linear equations with two variables and two equations to solve. 180 students…

A: Let the number of pass students be 'p' andnumber of fail students be 'f'.p+f=180  ---&gt;14p=f…

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Q: In Problems 1 to 4, integrate with respect to the variable. sin 4x' 1. sin22x sin 2r 2. 3 cos²r 2 3.…

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Q: Prove the following trigonometric identity: cosx - cos x = sinxcosx sinx

A: This question can be solved using the concept of trigonometric identities.

Q: Given: sin 0 = V6 " where 180 <0 < 270 3. Find: sin V 18+6/3 6 2+V3 | V18-6,3 6. V2+V3

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A: Given: 8tanxsinx-8tanx=0

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Q: 4 m 2.5 m 5 m 65° 6 m

A: Use cosine rule

Q: Use a sum-to-product identity to rewrite the expression. sin 3a+ sin 6a sin 3a + sin 6a = (Use…

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Q: complete equation so the result is an identity ___ -1 = tan^2 x

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Q: The problem that follows reviews material we covered in Section 6.2. Find all radian solutions…

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Q: 8. 6 4 2- -3 -1 -2 -6 -8

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Q: The rectangular coordinates of a point are given. Find polar coordinates of the point. Express 0 in…

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Q: Question 3 -4 cos(0) II <0< TI 5 and 2 Given what is the value of cos(20)? -21 A 5 B 5 7 25 C 16 D…

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Q: Solve the system of equations. — 2а + 5у — —21 7а + 2y — 15 Enter the exact answer as an ordered…

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Q: e. 3(v+ w)

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Q: Given the following unit circle, rotate green dot to the appropriate angle find the exact value of…

A: solution :y=sin210°y=sin180°+30°y=-sin30°y=-12

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Q: The problem that follows reviews material we covered in Section 6.2. Find all solutions in the…

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Q: w=64(cos 180 degrees + i sin 180 degrees)

A: Solved below