Use the identity above to find the roots of the cubic x³ - 3x²-3x + 1 = 0 and hence find the exact value of tan TC 12

Q: Find: (a) the zeroes of sin (2x - 3π/2); (b) the domain of tan (x/2+3/7).

A: Let us solve  above questions.

Q: Use the given substitution to express the given radical expression as a trigonometric function…

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Q: Both x and y are in the domain (0, pi/2) and the value of sinx = 3/5 and cosy = 12/13. Which of the…

A: The objective of the question is to find the value of tan(x + y) given that sin(x) = 3/5 and cos(y)…

Q: ow that the equation 2x – 1– sin x 0 has exactly one real root.

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Q: Express the following in complex exponential form:

A: Given that the complex number is:                                where To find the exponential form…

Q: (1+sin?)(1-sin?) + 5 = cos2? + 5

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Verify the identity: sin (3π/2 - x) = -cos x

A: To prove  sin (3π/2 - x) = -cos x

Q: Express the following in complex exponential form: x[cos(yº) + jsin(yº)] Where x = 4 and y = 94.…

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Q: 2. 9 Sin 7x

A: In this question we will use basic concepts of calculus i.e concepts of limits. We will use L…