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०0६ ००8०० + ०0६ ०9४1 DUs |1t BIE kb Lt S |
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Answer» cos45=1/√2sec30=2/√3cosec30=2cos45/sec30+cosec30=1/√2/2/√3+2=1/√2/2+2√3/22/2√2+2√6 |
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