Which expression is equivalent to sin^2x-sin x-2/sin x-2

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Which shows the pre image of triangle xyz

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?