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

If a `cos theta+b sin theta = c` then show that `a sin theta- b cos theta= +- sqrt(a^2+b^2-c^2)`

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UNITED BOOK HOUSE-MISCELLANEOUS EXERCISE-EXERCISE
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  2. If cos^2theta-sin^2 theta = tan^2 alpha, then show that cos^2 alpha -s...

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  3. If a cos theta+b sin theta = c then show that a sin theta- b cos theta...

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  4. If tan Ptheta= P tan theta, then show that (sin^2 P theta)/(sin^2 thet...

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  5. If (a^2-b^2)sin theta+ 2ab cos theta = a^2+b^2 then find the value of ...

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  6. If sec alpha = sec beta sec gamma+ tan beta tan gamma, then show that ...

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  7. if xsin^3theta+ycos^3theta =sin theta cos theta and x sin theta -y cos...

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  8. (1 + sec 20^2 + cot 70^@) (1 - cosec 20^@ + tan 70^@) equals

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  9. If (sec alpha-tan alpha)(sec beta-tan beta)(sec gamma-tan gamma) = (...

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  10. Find the value of sin^2(pi/16)+ sin^2 ((3pi)/16)+sin^2 ((5pi)/16)+sin^...

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  11. It (cos^4A)/(cos^2B)+(sin^4A)/(sin^2B)=1 then show that (cos^4B)/(cos^...

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  12. Show that the relation sec^2 theta = (4xy)/(x+y)^2 is possible, only w...

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  13. Find the value and tan (pi/16) tan ((3pi)/16) tan((5pi)/16)tan((7pi)/1...

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  14. A spherical ballon of radius r while floating in the sky, makes an ang...

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  15. If 7 cos theta+5 sin theta = 5, then find the value of 5 cos theta-7 s...

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  16. From the bottom of a 'tila' the angle of elevation of its unreachable ...

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  17. An incomplete frequency distribution table is given below: If the...

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  18. The step frequency distribution table of the marks obtained by female ...

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  19. Find the mean of the marks from the frequency table.

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  20. An incomplete frequency distribution table is given below: If the ...

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