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sintheta=ksin(theta+phi).show that tan(t...

`sintheta=ksin(theta+phi)`.show that `tan(theta+phi)=(sinphi)/(cosphi-K)`

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If sin theta = k sin (theta + phi),"show that", tan(theta + phi) = (sin phi)/(cos phi -k).

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Prove that (sin(theta+phi)-2sintheta+sin(theta-phi))/(cos(theta+phi)-2costheta+cos(theta-phi))=tantheta

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 14-EXERCISE
  1. Two variables x and y are related by y=8+2x, if the S.D. of x is 3, th...

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  2. In three sets P,Q,R if Pcup R=Pcup Qand Pcap Q=PcapR,then show that Q=...

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  3. sintheta=ksin(theta+phi).show that tan(theta+phi)=(sinphi)/(cosphi-K)

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  4. In /\ABCif1/(a+c)+1/(b+c)=3/(a+b+c),show that angleC=pi/3

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  5. Using mathematical induction, prove that 1/5n^5+1/3n^3+7n/15 is a natu...

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  7. How many arragements can be made out of the letters of the word FAILUR...

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  8. Calcualte the sum of the series :1+3/2+7/4+15/8+31/16+….+tn

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  9. The equation of three sides of a triangle are x + 2y - 5 = 0, x +y = 6...

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  10. Show that the area of the triangle formed by the lines y = m(1) x + c(...

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  11. Find the equation, centre, and radius of a circle which is passes thro...

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  12. By using section formula, show that the points .(1, 2, 3), (-2, 4, 2) ...

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  16. ‘If for any real no x, x^3 + x = 0, then x =0’ prove this by the metho...

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  18. Prove thatcos^2alpha+cos^2(120^@-alpha)+cos^2(120^@+alpha)=3/2

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