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The amplitude of 1+costheta+isintheta is...

The amplitude of `1+costheta+isintheta` is

A

`theta`

B

`theta//2`

C

`theta//3`

D

none

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-COMPLEX NUMBERS -EXERCISE 1
  1. Find the general value of x if the expression (sin ""(x)/(2) + cos"" (...

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  2. The principal value of the argument -sqrt(3)+i is

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  3. The amplitude of 1+costheta+isintheta is

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  4. The amplitude of (1+sqrt(3)i)/(sqrt(3)+i) is

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  5. If pi//5 and pi//3 are the arguments of barz1 and z2 then the value of...

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  6. If pi//3 and pi//4 are the arguments of z1 and barz2 then the value of...

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  7. If 2pi//3 and pi//6 are the arguments of barz1 and z2 then value of ar...

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  8. z=1+isqrt(3)rArr|Arg z|+|Argbarz|=

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  9. If z1 and z2 are two non - zero complex numbers such that |z1+z2|=|z1|...

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  10. If z1 and z2 are two non - zero complex numbers such that |z1+z2|=|z1-...

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  11. If z is a complex number of unit modulus and argument theta then, arg ...

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  12. Let z,w be complex number such that barz+ibarw=0 and arg zw =pi . Then...

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  13. If z and omega are two nonzero complex numbers such that |zomega|=1 an...

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  14. If omega(ne1) is a cube root of unity , and (1+omega)^7=A+Bomega . The...

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  15. The polar form of 1+sqrt(3)i is

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  16. The mod -amplitude form of sqrt(3)-i is

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  17. The mod -amplitude form of -sqrt(3)-i is

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  18. The mod -amplitude form of 1-sqrt(3)i

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  19. The mod -amplitude form of 5+12i is

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  20. The mod -amplitude form of (1+7i)/(2-i)^2 is

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