is the quadratic formula an identity

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A: To determine whether an eardrum hearing this tone would be vibrating outwardor inward when .

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A: From the given figuret→=⟨−6,−4⟩

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A: Solution is following in explanation step.

Q: 22. For an angle in the third quadrant, sin t = -3/7. Find cos t.

A: Note:-Since you asked multiple questions, according to our policy we can answer only first question…

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Q: 1 2 3 4 Identify the coordinates of the point in polar form based upon the given conditions. Use pi…

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A: Use given identity to simplify it.

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A: Given Trigonometric Expression is as follows Given Interval

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A: To solve the following equation for all solutions .

Q: sinx-sin^3x=sinxcos^2 please verify these identities, please include thorough steps

A: The objective of this question is to verify the trigonometric identity sin(x) - sin^3(x) =…

Q: 4. 3. 3x + 5y ≥ 15 x-3y ≤3 X≥2 -6x + 4y ≥ 12 x + y ≤3 y ≤ 3 X≥0 y≥0

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A: we need to find out the unknown measures of the triangle.

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A: The trigonometric equation is given by:

Q: 11T Convert the polar coordinate 7, X = y = to Cartesian coordinates.

A: To convert the polar coordinate  to Cartesian coordinates.

Q: Solve the triangle. (Round your answer for side b to the nearest whole number. Round your answers…

A: The possible figure of triangle

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A: Two cities have nearly the same north-south line of 110° W. The latitude of the first city is 23° N,…

Q: 5 √O r=1+3 cos(30) (-/-) r= - r = 5 sin V r = 0 sin(0) a. + T b. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬ a 5. 9 Q

A: Consider the polar equations 1.

Q: verify that the equation is an identity 11x 6 COS + sin 4x -0

A: To verify that the equation is an identity.

Q: ನ 60° b C 30°

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Q: Simplify and write the trigonometric expression in terms of sine and cosine: tan2x-sec2=

A: The objective of this question is to simplify the given trigonometric expression tan^2(x) - sec^2(x)…

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Q: Let a=&lt;1,-3,5&gt; and b=&lt;-4,-3,k&gt; find k so that a and b will be orthogonal (form a 90…

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Q: 24. Sketch the graph of sin x. Show one full cycle and plot at least two points above and two below…

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Q: a surveyor wants to estimate the width of of the favine shown in the figure without crossing over to…

A: A surveyor wants to estimate the width of of the favine shown in the figure withoutcrossing over to…

Q: Given cos(α)=7/9 and α is in quadrant IV, find the exact value of cos(α/2).

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Q: 2. Find the measure of the angle 8, in degrees. F1(x)=√3 3 x+3 f(x)=-√3 x+3 8

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A: LetBC =a= 470 m , AC=b= 339 m, AB = c = ?

Q: 17. Convert 12π/13 to degree measure.

A: 17.The given angle .The aim is to convert the radian into a degree measure.Note: Since you have…

Q: Write -4+5i in polar form. Express in degrees.

A: z=−4+5iUsing polar coordinatesx=rcos⁡θy=rsin⁡θx2+y2=r2

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Q: For y = - 7 cos (1/3 X its amplitude is its period is Use radians and use pi for T. ;

A: y=-7cos(x/5)

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Q: Solve 2 cos²(x) - cos(x) cos(x) - 3=0 for all solutions. X = where Select an answer Select an answer…

A: since you have posted multiple question in this question which are not interlinked so i have solved…

Q: 4. (a) cos=- -5/3 and sin >0, tan = 5 11 (b) (c) √11 5 (d) √11 6

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Q: 21. Evaluate the following using the unit circle. Make sure to sketch the angle in show your work…

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