Asked by hasee
cot^-1(2tan(cos^-18/17))+tan^-1(2tan(sin^-18/17))=tan^-1300/161
Answers
Answered by
Reiny
the cos^-18/17 and the sin^-18/17 in your expression don't make sense
did you mean cos^-1 (18/17) ?
in that case, that would be undefined, since no angle exists such that cosØ = 18/17
same thing would be true for the sine part
did you mean cos^-1 (18/17) ?
in that case, that would be undefined, since no angle exists such that cosØ = 18/17
same thing would be true for the sine part
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