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Trigonometry 15 Online
OpenStudy (anonymous):

find an acute angle whose sine is 0.52

OpenStudy (eric_d):

Acute angle--------------------- < 90 degrees !

OpenStudy (eric_d):

@zanubiah

OpenStudy (eric_d):

You may use your calculator ! inverse sin (0.52) = answer

OpenStudy (anonymous):

thank u soo much for your help!

OpenStudy (anonymous):

an isosceles triangle has a vertical angle of 108degree and a base 20m long. Calculate its altitude

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