(3) Proving that sin?(x) + cos (x) = 1: d. (a) Show that -(cos² (x)+ sin (x)) = 0. What does the constant function theorem d.x tell you about sin?(x) + cos²(x)?

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Q: 6. (a) Find the real and imaginary parts of: (i) sin z; (ii) cos z; (b) Find all the zeros of these…

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Q: ) Define the domain and range of f(x) where f(x) = sin²(x) – 1

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Q: sin(x) + cos(y) 1 + sin(x) cos(y).

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Q: If csc(x)=8, for 90 degrees<(x)<180 degrees, then what is sine(x/20, cos(x/2), and tan(x/2)?

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Q: Choose the correct answer If f(x)=ln⁡(cos⁡(3x)) , then f"(x) =…  -9 sec2 (3x)  9 cos2 (3x)  9 tan2…

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Q: sin x COS I 2. 1+ sin(2x)

A: Use the following trigonometry formula:-  (i)  1 = sin2x + cos2x  (ii)  sin(2x) = 2sinxcosx