If A+B-C = π , and sin2A+ sin2B- sin2C = ∂ sinAsinBcosC, then write the value of ∂.
If A+B-C = π , and sin2A+ sin2B- sin2C = ∂ sinAsinBcosC, then write the value of ∂.
Kunal , 8 Years ago
Grade 11
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