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Express the value of "cosec"("cos"^(-1) 3/5 +"cos"^(-1) 4/5) in simplest form. |
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Answer» SOLUTION :`"COSEC"("COS"^(-1) 3/5 +"cos"^(-1) 4/5)` `"cosec"("SIN"^(-1) 4/5 +"cos"^(-1) 4/5)` ` ="cosec" (pi/2)=1` |
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