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In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.