document.write( "Question 1181609: The smallest non-permissible value for cosx(cscx- secx) = cots-1 , 0< x_ 2𝝅 is \r
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document.write( "a. 2𝝅
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document.write( "b 𝝅/2
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document.write( "c.𝝅
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document.write( "d. -𝝅 \n" );
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Algebra.Com's Answer #811513 by greenestamps(13203)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "For values of x where the expressions are undefined, the expressions have no value. \n" ); document.write( "So I will assume the question is supposed to be the smallest non-permissible value OF x for the identity.... \n" ); document.write( "The expression on the right is undefined when cot(x) is undefined -- at integer multiples of pi. \n" ); document.write( "The expression on the left is undefined when csc(x) is undefined and when sec(x) is undefined. \n" ); document.write( "csc(x) is undefined when sin(x) is 0, at integer multiples of pi. \n" ); document.write( "sec(x) is undefined when cos(x) is 0, at odd multiples of pi/2. \n" ); document.write( "So the smallest non-permissible value of x on the interval (0,2pi] for the given identity is pi/2. \n" ); document.write( "ANSWER b \n" ); document.write( " \n" ); document.write( " |