Asked by math
Find the EXACT value of cos(2A)
if angle A is arctan(12/5).
cos(2A)=
if angle A is arctan(12/5).
cos(2A)=
Answers
Answered by
oobleck
okay - I've done some
How about you review your formulas and show your work ? ...
How about you review your formulas and show your work ? ...
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