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If sinA+sinB=sqrt3(cosB-cosA),then sin3A...

If `sinA+sinB=sqrt3(cosB-cosA),then sin3A+sin3B=`

A

0

B

2

C

1

D

`-1`

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A
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OBJECTIVE RD SHARMA-TRIGONOMETRIC RATIOS AND IDENTITIES-Chapter Test
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  8. Let n be a positive integer such that sin(pi/2n) + cos(pi/2n) = sqrt(n...

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  13. If A+C=2B, then (cosC-cosA)/(sinA-sinC)=

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  14. If A+B=C, then cos^(2)A+cos^(2)B+cos^(2)C-2cosAcosBcosC=

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