Let Z₁ = 8 cos Z1²2 = Z1 Z2 8( cos(77) + = (77)) + i sin and Z2 = 5(cos(57) + (57)). + i sin Find Z₁22 and Z2 (Enter your answers in a + bi form.)

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A: you will need to use only these identities to solve the question;

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Q: (4) Prove the formula cosh x - sinh2 x 1 using the methods in this workshop. In other words, express…

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A: We have to solve the given trigonometric equation in the given interval.

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A: Solution (b):

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Q: Find (21) (22) if = 5 (cos 75° + i sin 75°) 22 = 5 (cos 35° + i sin 35°) Answer: Z1 = (2₁) (2₂) =…

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Q: 2Tn Which signal is the same as In = 2 cos 10 1 i2nn/10 2 1 1 1 (a) pi2n/10 -12 πn/10 (b) 12πn/10 e…

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Q: 1-T= 3- Z= +cos(y)tan ( √x-b cos (n) 2-sin²(n) 2-B=sin(x) sec(x)/cscf(x) 4-(w+n)²(a+) x-3

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Q: 3) Express 4sin 2x+3 cos 2x in the form of Rcos (2x-a). Hence, solve the equation | 4sin 2x+3 cos 2x…

A: The given trigonometric expression is, 4sin2x+3cos2x=5432+42sin2x+332+42cos2x=545sin2x+35cos2x⋯⋯1…

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A: Explanation of the solution is given below..

Q: -5 cos 2B cos 6B -5 cos 4B + 5 sin 8B -5 cos 8B – 5 sin 4B 2 2 -5 cos 4B – 5 sin 8B -5 cos 4B – 5…

A: Solve : -5cos2Bcos6B Use formula = [cos(a-b)+cos(a+b)]/2

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Q: Show that n. In(cos 2k+2) = - In (2"+ sin 2n+2). k=0 Hint: sin 20 = 2 sin 0 cos 0.

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Q: Q1 // Choose the correct answer for the following :- 1- L(e"sinh*t) = a);G-→ »G *9G- 2-L(12cos2t) =…

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