26. Let x = tanA and y = tan 2A. a) Express y in terms of x. b) What type of function was obtained in part a) above? c) State the domain and range of the function obtained in part a)

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Q: 8. Which is the exact value of tan 75° using sum of tangent ? A. V2 + 3 B. 2 + V3 C. V2 + V3 D. V2 +…

A: Consider an expression: tan 75°……1

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Q: 3. What is the exact value of tan 195°7 O 2+ V3 O 2+ v3 O 2-V3 O-2-V3

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A: Given

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Q: 5л Compute the exact value of tan ( + 4 ). 6.

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Q: 8. Use Trigonometric Substitution to evaluate x'V4+x?

A: We will use standard formulae of trigonometry.

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A: To prove that the given equation admits at least one solution in the given interval

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A: (a)  Given,