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CBSE Class 10 Answered

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Asked by | 22 Jan, 2009, 10:38: PM
answered-by-expert Expert Answer

Take CA along the x axis, with C as the origin.

CA=b given,

so

 A has coordinates (b,0)

Use trigonometry to get the coordinates of  B as (acosC, asinC).

Use the figure  given below and the proof given earlier and that will solve your doubt.

Answered by | 22 Jan, 2009, 11:58: PM

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