A. which graph could represent the function ƒ(x) = 2 · sec(x + 7 )− 1² 480 B. 5x C. D.

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A: angle A=33b=13c=9

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Q: π COS +B 6 if sin ß = -0.8 and 3πT 2 <B<2π

A: This is the required solution for your problem.Explanation:For any query with the solution, please…

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Q: -ve the identity. 1+ cos²x 2 sin ²x = 2 csc ²x-1

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Q: sin (a +B) + sin (a-B) +ß) sin (a +B) sin (a-B)

A: Sin(α+β)−Sin(α−β)Sin(α+β)+Sin(α−β)​=tanαcotβExplanation:

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A: