TC 12) csc 4 5T 14) cos 5T 16) cos 18) cos 7TC 20) csc 4. 4- 4-

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Q: The value of cos0 from the following figure is 40 41

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Q: True or false: cos(2pie/3 + pie/6) = cos2pie/3 + cospie/6

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

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Q: 3) Show that 1 + cot Pe=csc²e. CSC

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Q: Eng v-2 Sm (8-号)Cos (o-等) Ci: stetch

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Q: 10) cos sec-¹ 2√√3 3

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Q: Now, simplify 4 cos² ß − 4(1 − cos² ß) by combining similar terms. 4 cos² ß - 4(1- cos² B) В = 4…

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Q: 18( cos54 + isin54°) 3(cos102" + isin102" )

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Q: Solve: dr = b (cos 0 dr + r sin 6 de)

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Q: Find cot 0. A) B) 11 11 A Clear selection

A: we use Trigonometry ratios  Cot(x) = Base/(perpendicular)  Cos(x) = Base /(Hypotenuse)

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Q: 7) (*x* cos xdx frese" – nde 8) xcsc 4

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Q: TC 2. Cotodo.

A: Given integral, ∫π3π21+cos2θcot2θ dθ

Q: 3) fyArc tan 2ydy

A: The arc tan function is the inverse of tan function. So, the integral becomes, ∫y Arc…

Q: Evaluate 3 L, cos¹ (2+1) dr. -1

A: l have given the answer in the next step. Hope you understand that

Q: 2(csc270°)+7(cos90°)^2+sec0°=

A: Solving by trigonometric ratios we have

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A: Since you have asked multiple questions in a single request so we will be answering only first…

Q: 2csc 0--cos Ocsc 0 + cos 0+2csc 0 a 5x Sa 7a A) 4 3 4 3n B) 0, 4 7x 4 T 37 C) 2 2 3 5x D) 2 3

A: cosθ=0 implies θ= (2n-1)π/2 , n is any integer. cscθ= 1 implies, θ=(4n+1)π/2 , n is any integer.

Q: (cos 20+ jsin 20) (cos 60+ jsin 60)1" (cos 30+ jsin 30)°(cjs 1000)

A: the given expression is cos 2θ+jsin 2θ5cos 6θ+jsin 6θ10cos 3θ+jsin 3θ9cjs 10θ Using De Moivre's…