document.write( "Question 922219: How would I go about solving this.
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document.write( "Suppose csct = 4 and tan > 0. FInd the exact value of each of the following
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document.write( "a. sin(t-6π)
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document.write( "b. cot(5π-t)
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document.write( "c. cos(-t)
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document.write( "d. sin(2t)
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document.write( "e. cos (t+5π/3) \r
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document.write( "I know the opp = √17 adj = 1 and hyp = 4 but how do I apply those in order to solve these?
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document.write( "Thank you \n" );
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Algebra.Com's Answer #559514 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How would I go about solving this. \n" ); document.write( "Suppose csct = 4 and tan > 0. FInd the exact value of each of the following \n" ); document.write( "Since csc positive and tan is positive, the angle is in QI \n" ); document.write( "--------------- \n" ); document.write( "By defition csc = r/y \n" ); document.write( "Since csc = 4, 4 = 4 and y = 1 \n" ); document.write( "The x = sqrt[4^2-1^] = sqrt(15) \n" ); document.write( "---------------- \n" ); document.write( "a. sin(t-6π) = sin(t) = y/r = 1/4 \n" ); document.write( "---------------------- \n" ); document.write( " b. cot(5π-t) = cot(pi - t) = tan(t) = y/x = 1/sqrt(15) \n" ); document.write( "---------------------- \n" ); document.write( " c. cos(-t) = cos(t) = x/r = sqrt(15)/4 \n" ); document.write( "------------------------- \n" ); document.write( " d. sin(2t) = sin^2(t)-cos^2(t) = (1/4)^2 - (sqrt(15)/4))^2 = (1-15)/16 = -14/16 \n" ); document.write( "------------------------ \n" ); document.write( " e. cos (t+5π/3) = cos(t-pi/3) = cos(t)cos(-pi/3)+sin(t)(sin(-pi/3)) \n" ); document.write( "= (sqrt(15)/4)(1/2) + (1/4)(-sqrt(3)/2) \n" ); document.write( "= [sqrt(15)/8] - [sqrt(3)/8] \n" ); document.write( "= [sqrt(15)-sqrt(3)]/8 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( "I know the opp = √17 adj = 1 and hyp = 4 but how do I apply those in order to solve these? \n" ); document.write( " \n" ); document.write( " |