Trigonometry

Asked by  | 13th Mar, 2009, 03:32: PM

Expert Answer:

In one of the expressions, the minus sign should be a plus sign.

Square both equations and add. Then take x2/ a2 common and take y2/ b2 common and you'll get the answer.

Answered by  | 13th Mar, 2009, 03:37: PM

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