Simplify the expression. Write the final form with no fractions. 2 cos²x+1 -+1=0 2 sin x ☐ ☐cos☐ ☐sinO seccsc☐ ☐tan0 ☐cot

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A: Given.

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Q: tan 270⁰ cos -30° sin 60⁰ tan 90⁰

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A: a boat travels 11 miles, turns 20 degrees, then travels another 10 miles. How far is the boat from…

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