stion 1 Find (-1+i/3)', by using deMoivre's theores 2 (cos 2TT + i sin 21) 2 (cos 6TT - i sin 6T) 2 (cos 6TT +i sin 6T) 2 (cos 9TT +i sin 9T)

Q: 2, 3π cot²( -B) if sin 2ẞ 4 5

A: Answer : 1.1879Let me know if you have any question, and please don't forget rate my…

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A: We have to show that the following results.  For this we can use some trigonometric results

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A: Please find attachment for the details solution

Q: If z = +i then Im(coshz) A) –sin1sinh4 B) cos1cosh4 e* +e* C) cos1 2 D) sin1cosh4 E) sin1

A: Topic:- hyperbolic function and complex number

Q: Sin

A: Given that: (Sin²30°+cos²30°+sin²45°+cos²45°)²

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Q: cos20 3 iii) modulus of complex z = (sine)?- i equal to

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Q: (b) Show that: cos(x cos 0) = Jo - 2J₂ cos 20 +2J4 cos 40 +

A: Solution (b):

Q: i) Simplify sin(2sin-1x). ii) Show that sin 30 = 3 sin 0 – 4sin30. iii) By using the substitution 0…

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Q: 2, 3π cot²( -B) if sin 2ẞ 4 5

A: See the attachment.Explanation:

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Q: Sea Sin (90-x):(05 (1301X)t tane cosx. Sin Cr 150) withoat the we of calcaleter prove that Sin…

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Q: 1+ sec?e = 1 + cos²0 sec20

A: Given:  Verify: 1+sec2θsec2θ=1+cos2θ