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Question Number 186125 by Mingma last updated on 01/Feb/23
Answered by som(math1967) last updated on 01/Feb/23
let2sinα=3sinβ=5sinθ=k⇒k1sinα=2⇒kcosecα=2⇒kcosecβ=3⇒kcosecθ=5kcosecα+cosecβ+cosecθ=2×3×5⇒k8=30∴k=(30)182sinα+2sinβ+2sinθ=k+k+k=3k=3×(30)18
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