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If(cosalpha+cosbeta+cosgamma)=0, sinalph...

If`(cosalpha+cosbeta+cosgamma)=0, sinalpha+sinbeta+singamma=0` then show that
`sin3alpha+sin3beta+sin3gamma=3sin(alpha+beta+gamma)`

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PATHFINDER-COMPLEX NUMBER-QUESTION BANK
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  3. If(cosalpha+cosbeta+cosgamma)=0, sinalpha+sinbeta+singamma=0 then show...

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  15. The locus represented by the equation abs(z-1)=abs(z-i) is

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  19. Let z1 and z2 be the nth roots of unity which subtend a right angle at...

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  20. If x^5=(4-3i)^5 thrn the product of all of its roots (wheretheta=-tan^...

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