- #1

- 10

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**0 = 3[cos(35)*cos(A) - sin(35)*sin(A)] - cos(A)**

where A is alpha...my unknown degree.

somehow that turns into this:

**tan(A) = [cos(35) - 1/3] / sin(35)**

I am not drawing the connection or seeing how that is happening....

Could you help???? THANKS