Asked by Ken

Tan^2 30*- cos^2 45*
Answered by Henry
Tan^2 30 - Cos^2 45 =
(Tan 30)^2 - (Cos45)^2 =
(0.5773)^2 - (0.7071)^2 =
0.3333 - 0.500 = -0.1667
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