b) 2 cos² x + 3 cosx + 1 = 0 b) x = 2π Απ " 3 3 π , b) 2 cos² x + 3 cosx+1 = 0

Q: -2x Compute fo 1 do 1+cos² @de

A:

Q: b) 6(sin x)² + cos 2x + 1 = 0 [0,2π] I

A: Solution6 sin2x+cos 2x+1=0we know cos 2 x= 1-2 sin2xput this value in the given equation,6 sin2 x+…

Q: Use m = =√₁m [cos (m² (0 + 2kπ)). + 2kx)) + i sin in((0 + 2kx))] to find all solutions of the…

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Q: -2πT Compute fo 1 1+cos² @de.

A:

Q: c) y = (x-2) 3 x² (x-1)(x+5)4 [Hint: use logarithmic differentiation]

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Q: trace the equation in 3 -dimension

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Q: solve the equation on the interval [0,2π)  cosx+2cosx sinx=0

A:

Q: c) √2 cos²x - COS X = 0 =

A: ​2​cos2x−cosx=0cosx(2​cosx−1)=0Case 1:cosx=0cosx=0⟹x=2π​,23π​,...Case…

Q: Cosx 1+sinx 11. 1+sinx 2secx Cosx

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Q: I'm having trouble trying to solve the problem csc x - csc x cos2 x = sin x. I'm having trouble…

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

Q: de -1 < B< 1 (1+B cos 0)² '

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Q: (12) The value of "sin(5x) cos(3x) dx A) 1 B) 2π

A: To find the value of the integration ∫02π sin5xcos3xdx

Q: -olve 2 cos² (w) - 3 cos(w) + 1 = 0 for all solutions ≤w<2π พ

A: Explanation of the answer is as follows

Q: Solve trignometric equation a) cosetan e-cost=0 b) cos(2x)-gnx = 0 for 0≤x≤ 1/2

A: