Question: Simplify the given expressions by using one of the basic formulas of the chapter. Then use a calculator to verify the result by finding the
Simplify the given expressions by using one of the basic formulas of the chapter. Then use a calculator to verify the result by finding the value of the original expression and the value of the simplified expression.

1- cos166 8
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To simplify the expression we can use the formula sin2 cos2 1 Multiplying both sides b... View full answer
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