Mathematics, 03.03.2020 20:23 kodaxmodz

If tangent alpha equals negative StartFraction 21 Over 20 EndFraction , 90degreesless thanalphaless than180degrees, then find the exact value of each of the following. a. sine StartFraction alpha Over 2 EndFraction b. cosine StartFraction alpha Over 2 EndFraction c. tangent StartFraction alpha Over 2 EndFraction

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If tangent alpha equals negative StartFraction 21 Over 20 EndFraction , 90degreesless thanalphaless...