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If the line joining the points (a cos th...

If the line joining the points `(a cos theta , b sin theta)` and `(a cos phi, b sin phi)`.Prove that the equation of this lines is `x/a "cos" (theta + phi)/2 + y/b"sin" (theta + phi)/2 = "cos" (theta -phi)/2`

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A N EXCEL PUBLICATION-STRAIGHT LINES-QUESTION BANK
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  2. Find the slope of the line joining the points (a cos theta , b sin the...

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  3. If the line joining the points (a cos theta , b sin theta) and (a cos ...

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  8. Consider the points A (2,3) and B (6,5) find the slope of AB

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  14. Suppose that two opposite vertices of a square are (1,2) and (5,8) Fin...

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  16. Consider the points P (2,4) and Q (-2,5) Find the mid point of PQ Henc...

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  19. Reduce the equation sqrt 3 x + y + 2 = 0 to : slope - intercept from a...

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