1(-4)" to evaluate the sum of the series 2 (2n)! Use the equality-+ cos z = +...) =. 2! 4! Select one: 2. O cos 16 + O - cos 4 O 2 cos 2 O 1 O cos? 4 12 112

Q: 4 cos[tan"! cos! 3 Find the exact value of 12 13

A: Given expression is  costan-143-cos-11213

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Q: 3) Find the cos(105"), sin(105") and tan(105") by using sum difference formulas and the definition…

A: The objective is to find the required values

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A: see 2nd step

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A:

Q: 35 in n cos'n n Cos n du

A: Evaluate the ∫3sinx  cos3x dx

Q: 82 - 3 93. Find (8+ 2)(s – 3)(8² + 2s + 5) Ans. est - *e-t - he-t cos 2t + ke-t sin 2t

A:

Q: Find the three roots of [512(cos(105)+j sin(105))]3 Enter the modulus of the result and the…

A:

Q: Find the Sum to infinity of the sea tès - Ce30 t ces 20 - 1-3 1-3.5 ces 30 + - (-nCBCIT). 2.4 2.4-6

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Q: 2)Let an = 2 ) 3/ Write the first 5 terms

A: Here we have kth  term is ak=213k-1 ....................(1)  Here we have to find the first five…

Q: a. r = 5 cos(0) b. r = 2 + 5 cos(0) C. r = 7 + 5 cos(0) d. r = 11 +5 cos(0) e. r = 5 + 5 cos(0)

A:

Q: sinna 2nsinna If -n <x< T and a is not an integer show that cos ax = + E=1(-1)" cosnx n%3D1 1(a²-n²)…

A: If -π&lt;x&lt;π and α is not an integer. We use Fourier series equation.…

Q: 10 10 -1 If the sum tan (m + 4) b=1 a=1 (1) = mл, then find the value of

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Q: 5. Sums & diff (A) Verify xix (74-2) = 1/2 (cosa-sina) sin

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Q: B) 4o factor the numerator fram provicus Step -gin"o = cos e th 2. Sın キ11 Establish the identity…

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Q: now to get cos-1 value?

A:

Q: 37. (к+3) is O(n?) k=1 н 38. ii + 1) is @(m) i=1 39. (K – 2k) is O(n³)

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Q: Let R be the region enclosed by the polar curve r (0) = 1 + 2 cos² (0) where 0 ≤ 0 ≤ Y R 1 Which…

A: Consider the region R

Q: Review the proof (not in order) of the identity What is the correct sequence of steps? 1-Cos(e) 1+…

A: The proof of the identity tanθ2=±1-cosθ1+cosθ is shown below.

Q: 7 Find the exact value of sin(u+v) given that Sinu = 12 13. (Both u and v are in Quadrant 25 and…

A: Given,          sinu=725 and cosv=-1213  Both u and v are in Quadrant II

Q: 1- cos X 1+ cos X Express each fraction over the lowest common denominator. 1- cos 2 1- cos 2 x - 2…

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Q: 6. tan 165° = Sin

A: Topic = Trigonometry

Q: how 300/sin(120+Θ) become 300/cos(30+Θ)?

A: Topic:- trigonometry

Q: Evaluate 1) Sin ¹ (1 a) cos`' (-1) 3) cos( tan`¹ (13 Sin (1/ กาก

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Q: W 3 + cos(n!) 5 N n=1 (Hint: cos(n!) >-1.)

A: The given series is divergent apply comparison test and p-series testExplanation:

Q: o be selected to win an award. Filling out the Chart is a Great Starting Point. 14-17 18-24 25-34 35…

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Q: What is ! 2 ? tanh -1 o 0.549 + 1.571i o 0.549 - 1.571i O -0.549 - 1.571i O -0.549 + 1.571i

A: Here we find value of arctanh(2) =?  We know that arctanh(z) = (1/2) [log(1+z/1-z)]

Q: 5. The sum of the series (-1)" T is 320 (2n)! ロ=0 a) cos t C) cos 3 TC b) sin d) %

A:

Q: cos" (1 + 2i) O 1.9372 + 1.7552i O 2.1372 + 1.2252i O 1.8858 - 1.3347i 1.1437 -1.5286i

A: Evaluate the value cos-1 (1+2i). Write the complex number is given as rectangular form z = a + i b.