Prove each identity.   cos  (A+B) / sin A  cos B  = cot A - tan B

Q: What is the equivalent to sinθtanθcscθ for all values of θ for which sinθtanθcscθ is defined?

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Q: Find 2?, −3?, ? + ?, and 3? − 4? for the given vectors ? and ?. u=(-2,4) and v=(4,-2) 2u= -3v= u+v= ...

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Q: Which expression is equivalent to sinβcscβsecβ for all values of β for which sinβcscβsecβ is defined...

A: According to reciprocal identity csc x=1sin x

Q: Question 18 Solve the equation on the interval 0 s 0 < 2n. 2 sin? 0 = 3(cos 0 + 1) o f

A: Consider the given equation, 2sin2θ=3cosθ+1 Convert the equation cosine form. 2sin2θ=3cosθ+121−cos2θ...

Q: El iminate the parameter (f) from the following. x(カ=-2sint yの= 2c0St

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Q: Two sides and an angle are given below. Determine whether the given information results in one​ tria...

A: Given that: Two sides and an angle are given below. a = 5 , c = 2 , C = 130° .

Q: in the accompanying figure, d=5 and e=12, find x.

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Q: If tan A = sqrt (2) - 1  Find tha value of sinA cos A =( sqrt(2) )/(4))

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Q: Fliminate the parameter t =sect tant

A: We have to eliminate the parameter t where, xt=sec tyt=tan t In case of eliminating the parameter we...

Q: The question is in the image.

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Q: (h) (1 – cos² r) (1+ cot? r) = 1 %3D

A: you can clearly understand if you follow the below solution

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

A: Given,           cos2θ=5cosθ-3

Q: Find the coordinates of the vertices and foci of the ellipse. Sketch the curve. y? =4-4x2 What are t...

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Q: Find the complement of each of the following angles. 450

A: Known fact: If two angles ∠A and ∠B are complementary then ∠A+∠B=90°.  

Q: Find the exact value. Given that sin e = - 4 with e in quadrant IV, find sin 20. %3D 24 24 25

A: Since, we are given that sin θ =-45 with θ in IV quadrant.Our aim is to find sin 2θ=? 

Q: In a right triangle, the longest side opposite the right angle is called the _________and the other ...

A: Consider a right triangles.

Q: Number 27, please.

A: you can clearly understand if you follow the below solution

Q: The equation cos(3z) = 2 has two solutions between 0 and 120 degrees. The smaller is degrees and the...

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Q: i have attached a photo of an example on how i need this question solved. i need step by step with t...

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Q: Convert to rectangular coordinates. Use exact values.    (1,pi)

A: To convert (1,π) rectangular coordinates 

Q: Write each equation in polar coordinates. Then isolate the variable r when possible.   x2 +y 2 = 6x

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Q: Find equation of graph

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Q: question # 3 please.

A: Given vectors are v→=2,-1w→=-2,4 (a) v→+w→=2,-1+-2,4=2-2,-1+4v→+w→=0,3 which is vector quantity. (b)...

Q: After a wind storm, a farmer notices that his 29-foot windmill may be leaning, but he is not sure. F...

A: As per the given information, the triangle would be    

Q: Find the modulus, Izl, and argument, 8, of the complex number. -1+i One charaes 4.6

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Q: Use a double-angle formula to rewrite the expression. 1/4 cos^2 x -1/8

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Q: Find the center, vertices, foci, and eccentricity of the ellipse. (x+2)2/7 + (y-1)2/16 = 1

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Q: Solve the equation for x if 0 ≤ x &lt; 2?. Give your answer in radians using exact values only. (Ent...

A: Given,           cos2x-3sinx-2=0

Q: If an angle θ is in standard position, and the terminal side of θ intersects the unit circle at the ...

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Q: The Empire State Building in NYC is one of Mr. Robert´s favorite buildings. The angle of elevation ...

A: Given angle of elevation to the top of the Empire State Building is found to be 55 degrees from the ...

Q: Evaluate tan50tan250tan300tan650tan850

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Q: Solve the ea mation for solutions lin the interval Sinaxt sinx=0

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Q: Use the tabie of vaiues to evaiuate the f(e) g(x) 15 12 19 2 4 2 g(6)) 9{(7)) %3D %3D 9(9(8)) %3D 00

A: From the given table  When x=6, g(6)=4, and f(6)=1      

Q: Solar cookers provide an altemative form of cooking in regions of the world where consistent sources...

A: The equation of parabola is x2=82y Comparing it with the parabola x2=4py, we get 4p=82p=824p=20.5   ...

Q: A fire is sighted due west of lookout A. The bearing of the fire from lookout B, 21.4 miles due sout...

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Q: pproximate, to the nearest 0.01 radians, all angles 0 in the interval 0,27) that satisfy ec 0 -2.638...

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Q: A survey team is trying to estimate the height of a mountain above a level plain. From one point on ...

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Q: An aeroplane at an altitude of 200 mts observes the angle of depression of opposite points on  the t...

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Q: Show that each of the following statements is an identity by transforming the left side ofeach one i...

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Q: Hi I am having trouble answering this question thank you! Suppose that cos(θ)= √7/4, and π&lt;Ø&lt;2...

A: To Determine: find the exact value of cos2θ Given: we have cosθ=74  ,π&lt;θ&lt;2π Explanation: we ha...

Q: Prove the following identities.         ( sin  theta + cos theta ) 2  = 1+2 sin theta cos theta

A: We have to prove the identity: sin θ+cos θ2=1+2 sin θ cos θ We will use following identity: a+b2=a2+...

Q: Using the following figure, find z. 10 a) O 2V14 b) O 14 c) O 2/10 d) O 2/35 e) O None of the above

A: In the given tight angles triangle, Use Pythagoras theorem to get z  

Q: Trigonometry Question

A: giventanθ=1115and cosθ&gt;0since both tan and cos are positive  then this problem belongs to first q...

Q: For cos z cos 3z - sin z sin 3z =0, use an addition or subtraction formula to simplify the equation ...

A: cosx cos3x-sinx sin3x=0

Q: Sulve the ea Mation in the inter val [02). for solutions Cos 2X =1

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Q: Use a calculator to approximate csc (- 304 degree).     0.8290

A: Given to find the value of   csc-304° The trigonometric ratios used here are   cscx=1sinxsin-x=-sinx

Q: A plane is flying with an airspeed of 180 miles per hour with a heading of 115°. The wind currents a...

A: Heading  = 0° ; Direction - NorthHeading  =90°; Direction - EastHeading = 180°; Direction -southVelo...