Question

14. R (18) (1 + cos x)(1 + cos y)(1 + cos z)
= (1 - cos x)(1 - cos y)(1 - cos z),
तो सिद्ध करें कि प्रत्येक का मान (then prove that the value of each)
= #sin xsin y sin z.​

Answer 1

Answer:

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