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directions say:find the angles associated with the trig. equations below.

a.)sin. angle=.0872. i got .0015 but don't know if its right. and another question.

4.)one angle of a right triangle is 26 degrees.The hypotenuse is 11 cm. Calculate the lengths of the other two sides.(i have know idea what to do on this one) i would appriecate the help thank you ~~~~