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The sum of three positive numbers α,β,γ is equal to π2. If ecotα,ecotβ and ecotγ form a geometric progression, then which of the following hold(s) good? |
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Answer» The sum of three positive numbers α,β,γ is equal to π2. If ecotα,ecotβ and ecotγ form a geometric progression, then which of the following hold(s) good? |
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