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If tan theta = a/b then find the simplie...

If `tan theta = a/b` then find the simpliest value of `(b cos theta-a sin theta)/(b cos theta+ a sin theta)`

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UNITED BOOK HOUSE-ANISHMALI UNTIED ACADEMY-EXERCISE
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  2. If x= (sqrt7+sqrt3)/(sqrt7-sqrt3) and xy= 1 then find the value of (x^...

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  3. If (x^3+y^3) alpha(x^3-y^3) prove that (x^2+y^2) alpha(x^2-y^2).

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  4. If a,b,c, are in continued proportion then prove that a^2b^2c^2(1/a^3+...

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  5. If x/y= (a+2)/(a-2) show that (x^2-y^2)/(x^2+y^2)=(4a)/(a^2+4)

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  6. Prove that opposite angles of a cyclic quadrilateral are supplementary

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  7. State and Prove Pythagoras theorem.

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  8. Prove that cyclic trapezium is isoscles trapezium and the length of it...

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  9. O is any point inside a rectangle. Prove that OA^2+OC^2=OB^2+OD^2.

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  12. If tan theta = a/b then find the simpliest value of (b cos theta-a sin...

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  13. Prove that (2tan^2 (30^@))/(1-tan^2(30^@))+sec^2(45^@)-cot^2(45^@) = s...

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  14. Show that cosec^2(25^@)cot^2(65^@)=sin^2(25^@)+sin^2(65^@)+cot^2(65^@...

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  15. The height of 2nd tower is equal to 1/3rd the height of 1st tower. The...

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