If anyone could help me out here it would be greatl appreciated.(: find sin, cos, tan of: 255 degrees 17pi/12 find value of: cos(x+ pi/6) - cos(x - pi/6)=1 sin(x+ pi/6) - sin(x - pi/6)=1/2 thank you sooo much
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Originally Posted by paramorechick99 find sin, cos, tan of: 255 degrees 17pi/12 Are you allowed to use a calculator? if not consider, Now apply the rules and and
Originally Posted by paramorechick99 If anyone could help me out here it would be greatl appreciated.(: find sin, cos, tan of: 255 degrees 17pi/12 find value of: cos(x+ pi/6) - cos(x - pi/6)=1 sin(x+ pi/6) - sin(x - pi/6)=1/2 thank you sooo much the three sum difference formulas ... note that or ... unit circle values or ... unit circle values plug and chug. you do the second one.
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