In Exercises 4148, use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle.

AGRY32000Exam2StudyGuide Lecture20:MendelianGenetics1 • TounderstandtheimportanceofMendel’sworkingenetics o Mendel-Austrianmonkthatworkedonpea-crossestofindouthowinheritanceworked o Hisworkwasnotinitiallyappreciatedbecauseitdisprovedtheblendingtheory,whichwas thepopularbeliefinthe19...