Given that cos α= and 0° < x < 90°, determine the exact values of sin α 1 COS and tan 2 α Be sure to rationalize your answers. 2

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A: we know,

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A: Given,  .We know if  than .

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A: Prove the following identity.

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A: To find the radius of a circle with the circumference of 54'6".

Q: Consider the following. -2 A = 3 -1 0 -1 2 -4 3 3 (a) Find A + B. (b) Find A - B. (c) Find 2B. (d)…

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A: we have to find the sketch of given polynomial.

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Q: what about questions 7-11?

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