Find the cosine of ZV. 13 12 Simplify your answer and write it as a proper fraction, improper fraction, or whole number. cos (V) Submit Work it out

Q: Detr mine the exact uJalue Of COS 2 100

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Q: 3 2+V3 Without using a calculator, find the value of cos0, giving your answer in the forma+ bV3 a, b…

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Q: 06. Evmlete the integral 7sin (a)+ 7sin(2)tan? (x) de secz (x)

A: Integrated by substitutions

Q: 6 l / l 8 9 6) Take the Pythagorean Identity and discover a new one Hint Divide by sin e sin 0 + cos…

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Q: Evaluate cos 0 within AABC. B 5 A cos 0 = Enter your next step here 3.

A: Given,  Side AB=5 Side AC=3 Side BC=4 Where angle at c is a right angle So ABC is a right angle…

Q: 4. Multiply: 7(cos 15° 5. Using your answer 1/4.

A: Given 7(cos 15°+isin 15°) and 8(cos 30°+isin 30°)

Q: 3. Find the exact value of csc(arccos( -5/7)

A: Here we have to find the exact value

Q: 6. Use the sum and difference identities to simplify the expression. '5T COS 12

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Q: :- Find. fCu if f(b)= cos3t Lif(t}= FCS) = %3D s+9 Explain how to unify the denominators ... .....

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Q: CSC E 13T 12 5. Use a sum or difference identity to find the exact value of cos oose a submission…

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Q: Vsin e Cose Infi+2Ine O +5 3- O Cos e

A: we have to find the derivative of y

Q: cos?(t) COS 1-cos2 (t)

A: We have to simplify

Q: rify the identity 4cos x-4sinx cosx + 4sin'x-4sin'x 4cos'x.

A: We know that 1- sin^2x = cos^2x

Q: 11.5.11 Find the area shared by the circle r, = 4 and the cardioid r, = 4(1 – cos 0). %3D The area…

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Q: 39. Write 16cos*x in terms of first powers of cosine.

A: Given           16cos4x

Q: 07. Evaluate the (4e" +6 cos n) de

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Q: 2) What is the cos Z? Express fractions in the lowest terms. NO DECIMALS 40 Y 6. S 41

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Find an equivalent algebraic expression for the coMPOsition: @ Sin@rctan 2) Dtan Gres in) ☺ seckcot"…

A: (a) Let, sin(arctanx)=yarctanx=arcsiny           ..............(1)Again let, arctanx=t,…

Q: 5. Simplify. The answer should be a single term: 1 1 1 – cos 0 + 1+ cos 0

A: The solution of the problem is given in the next step.

Q: country skier skis 1.0H nitude her resultant di

A: Displacement magnitude1: d1 = 1.8 m Displacement magnitude2: d2 = 2.4 m

Q: Write the ratios for sin M, cos M, and tan M. K 4/7 16 M sin M= (Type an integer or a simplified…

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Q: Find the shaded region in the graph. 4 3- NO 2 1 X = y=2 y = cos x + 1 π/6 E|M 3 πV3 π: ….. The area…

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Q: VĀ(VB+1) Use an addition or subtraction formula to find the exact value of cos 4 12 A = B =

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Q: b. Find a similar formula for 4(cos" r cos na næ).

A: In this question we have to differentiation.

Q: ecified by the val COS 3

A: The slope of a polar curve r=fθ is given as follows. dydx=dydθdxdθ=fθ cosθ+f'θ sinθ-fθ sinθ+f'θ cosθ…

Q: (1) Evaluate Hint: Express cos“ x in terms of sin x. Then use the substitution u = soluton in terms…

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Q: Use the power reducing formulas to rewrite cos^4(1/5x) without exponents.

A: we know that  Cos2(x)=1/2(1+cos 2x) we will use this formula to evaluate given expression  as shown…

Q: 32. (i) Given that z = e6, show that z" +z-n = 2cos ne. Use this result to express cos 0 in terms of…

A: For 32 part (i) De Moivre's Theorem is used.

Q: Find the harmonic conjugate of the following. e*²-y* cos (2xy) x²-y²+y

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Q: 11) Write the fractions that represent sin(M), cos(M) and tan(M) M. 25 7. 24 K

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Q: Suppose that an airplane is asked to stay in a holding pattern near an airport. The distance of the…

A: given dt=130+79 sin2π9t

Q: 8. [Essay] Find the approximate values of tan44.5

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Q: (cos 1. Evaluate / dæ by using an appropriate substitution. 12v1- 22 dr 2. Evaluate . -2 /2r². 2r2 +…

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Q: 2. What is the ratio cos (C)? A 15 C 12 Cos C = (enter your answer as a fraction, for exampl

A: Given query is to find indicated trigonometric ratio.

Q: n expression below can be obtained from 6cos 0 by using a power reducing formula t the correct…

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Q: (16sin0-5)cos&de OS V121-4sin? 0

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Q: 4(cos135 Cos 1 5)

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Q: 5. Use more than one half-angle identity to find the exact value of: 7T Cos 16 Your final answer…

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Q: |25 x, x=5 sinco) How do I substitute? and glt)= 3tan t How I find tgo (SogO?

A: (1) 25-x2     , x=5sinθ  x=5sinθSquaring both the sides we get-x2=25sin2θSubstitute in given…

Q: Evaluating A 18 √*1/200 (A) **/2 B √9-x² dx using trigonometric substitution will lead to: cos²0d0 0…

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Q: 3. Evaluate cos° (0) do. Write your answer as a reduced fraction.

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Q: 3. Rewrite the following in algebraic form – NO TRIG TERMS. Sec [arctan (x/4)]

A: The given trigonometric function is: Secarctanx4  This can also be written as: Sec-1tanx4

Q: Using trig identity, a (cos (5t) +4 sin (st)) femction %3D using only one eosine 2(t) = Using try…

A: To write, using only one cosine function a xt=- cos5t + 4 sin5t b xt= cos5t + 4 sin5t c xt=e-4t-…

Q: 5. Use an appropriate sum or difference identity to find the exact value of cos105° . (b) (E - J6)…

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Q: 3 4 Using an appropriate substitution, evaluate: 2 1- 2x A - 8ln В 21n © sin) 8ln (D - 2ln

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Q: 5- When the (4tan e. tanz e = 1),the value of (6) from 0° to 360°.

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Q: 3+ cos(k) ek 6. k=1 8WI

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Q: Example 2: Find the point B on AC such that the ratio of AB to BC is 2:3.

A: To divide any length in a ratio of a:b we must divide it into a+b equal parts

Q: cos40 = 8cos*0 – 8cos20 + 1

A: