4π 4π T Lat=₁ = 3( cos + + + sin ) and 2₁ = 6( cos + + + sin =) +i i COS- 7 Find the following. Write your answers in trigonometric form. Give exact values in your answers (not decimal approximations). J (a) ²₁²₂2 = (cos(+ i sin ¹0) 5 ? ²1 - (b) (cos+ i sin ()) ²2 = 0/0 X

Q: Solve 2 cos x -1=0 for æ, where 0 < x < 360°. %3D O 60°, 300° O 30° only O 30°, 150°

A: Given :- 2cosx-1=0 for x, where 0≤x≤360° We have to find:- The value of x.

Q: Solve the equation sin 0 - 2 sin cos 0 = 0 on the interval [0,2π). List any repeated solutions only…

A: given given interval is [0,2)

Q: Determine sin(2 – 2i) and write the answer in the form a + ib.

A:

Q: Write the equation of a sine function that has the given characteristics. Amplitude: 19 Period: 4…

A: Given that we need to find the equation of sine function whose  Amplitude = 19 Period = 4…

Q: Rewrite using sines and cosines:  tan(y)sec(y). tan(y)sec(y) =   Can you please solve the above…

A:

Q: [0.72(cos 235° + j sin235°)* 0.45(cos 84°+j sin 84°) b) Simplify give your answer in algebraic form.

A: Here, the given expression is: [0.72(cos 235°+j sin 235°)]20.45(cos 84°+j sin 84°)...(1) To simplify…

Q: sin 4x dx 1+cos22x

A:

Q: All of the Pythagorean identities are related. Describe how to manipulate the equations to get from…

A: Pythagorean identities of trigonometric ratios are all derived from the fundamental identity:…

Q: 2. Solve for x in the equation: sin 2x = 2 cos x. C. 90° D. 100° A. 80° B. 95°

A:

Q: Find the measure of the longest side of AABC with A= 60°, B= 70°, c = 12. (And then find the area.)

A:

Q: How do you solve cos θ = cos77° / 2 ?

A:

Q: - 1 sin (cos (x/2)) |

A:

Q: a 2. Find the exact value of cas(a) sin(b) given that a satisfies the equation 12a = 177 and b…

A: 12 a = 17π2b = sin-112