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Determine the modulus-amplitude form of the comples number `(sqrt3+i)`

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UNITED BOOK HOUSE-TIRTHAPATI INSTITUTION -EXERCISE
  1. If A={x:x in R,-32lexle10},B={x:x in R,0lexle12}then find A-B.

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  2. If A={x:x in R,-32lexle10},B={x:x in R,0lexle12}then find A-B.

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  3. Determine the modulus-amplitude form of the comples number (sqrt3+i)

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  4. If the sum of the two roots of the quadratic equation x^2-px+q=0be the...

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  5. State the principle of mathematical induction.

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  6. If AsubeBand BsubeCthen show that AsubeC.

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  7. Show that (cos2^@-sin2^@)/(cos2^@+sin2^@)=tan43^@

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  8. If x costheta+ysintheta=xcosphi+ysinphithen show that y=x tan ((theta+...

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  9. IF 2 costheta=x+1/xthen show that 2 cos3 theta=x^3+1/x^3

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  10. Find the value of sin (221//2^@) with the help of the value of cos45^@

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  11. tan25^@=a prove that (tan155^@-tan115^@)/(1+tan155^@.tan115^@)=(1-a^2)...

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  12. Prove that,cos(pi/5)-cos((2pi)/5)=1/2

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  13. By the principle of mathematical induction prove that (5^(2n)-1)is alw...

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  14. IF x=a+bw+cw^2,y=a+bw^2+cwthen show that x^3+y^3=(2a-b-c)(2b-c-a)(2c-a...

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  15. If the roots of the quadratic equation a(b-c)x^2+b(c-a)+c(a-b)=0be eq...

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  16. Prove that (AcupB)^c=A^c capB^c[without venn-diagram]

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  17. If sinx-siny=a and cosx+cosy=b,prove that tan((x+y)/2)=+-sqrt((4-a^2-b...

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  18. Mathematically find the value of sin18^@

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  19. Show that cos(pi/11)cos((2pi)/11)cos((3pi)/11)cos((4pi)/11)cos((5pi)/1...

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  20. If cosx+cosy+cosz=0and sinx+siny+sinz=0then show that cos(x-y)+cos(y-z...

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