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If a cos theta+ b sin theta= c then fin...

If ` a cos theta+ b sin theta= c` then find the quadratic equation whose root are `sin^(2) alpha and sin^(2) beta`

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The correct Answer is:
`(a^(2)+b^(2))x^(2)-2(b^(2)c^(2)+a^(2)+a^(4)-c^(2)-a^(2))x+(c^(2)-a^(2))=0`
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