Trigonometric Form of a Complex Number In Exercises 15-22, write the complex number in trigonometric form without using a calculator. 15. Imaginary axis 4 3 2+z=2i + 12 -2-1 Real axis

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A: To prove:- cosec2θ-cosecθ≡cot2θ1+sinθ

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A: fx is basically the value towards the y axis.So, we just have to check the values towards y axis.

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A: see below the answer and calculation

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A: NOTE: Refresh your page if you can't see any equations. .

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A: Please see the below picture for detailed solution.

Q: Cos ¹0

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Q: Question 3: ( Show that w = √z has the values and ਆ, - ਅੱਜ ਦਿਨ + sin ਆ - + r[+1+ -)]-- +isin 1

A: Given ; w= sqrt(z).

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A: The given triangle has measures AB=41, BC=40, AC=12 We have to find the measures of ∠A, ∠B, ∠C.

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Q: 7.) 3x²-3x - 18=0 GCF:

A: NOTE: Refresh your page if you can't see any equations. . first, we need to factor out 3

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Q: 2. Find the exact value of the expression. cos(sin(√3/2)+cot (√3)) sin (cos¹ (2/3)-tan¹(1/2))

A: I am attaching image so that you understand each and every step.

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