The value of \sin 6 \alpha+\sin 6 \beta+\sin 6 \gamma interms of \delta is

JEE Advanced 2020 Full Test 1 Paper 2

Paragraph for Question Nos. 53 and 54

If cos‌α+cos‌β+cos‌γ=0=sin‌α+sin‌β+sin‌γ and δ=‌

α+β+γ

. The difference of any two of the angles α,β,γ is equivalent to ‌

2π

. Then

Question : 53 of 54

Marks: +1, -0

The value of sin‌6‌α+sin‌6‌β+sin‌6‌γ interms of δ is

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