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Which expression represents θ in terms of x?

SamJones  Feb 24, 2018

Best Answer 

 #1
avatar+14579 
+2

When you use the sin function, you 'undo' it when you use the sin inverse (also called the arcsin) function     so   if you start with theta

    then you use the sine function ,  sin (theta)     then    arcsin ( sin theta) = theta

 

Your equation:   sin(theta) = x/10      now    arcsin both sides

       arcsin(sin (theta))  = arcsin  (x/10)

                 theta = arcsin (x/10)

ElectricPavlov  Feb 24, 2018
edited by Guest  Feb 24, 2018
 #1
avatar+14579 
+2
Best Answer

When you use the sin function, you 'undo' it when you use the sin inverse (also called the arcsin) function     so   if you start with theta

    then you use the sine function ,  sin (theta)     then    arcsin ( sin theta) = theta

 

Your equation:   sin(theta) = x/10      now    arcsin both sides

       arcsin(sin (theta))  = arcsin  (x/10)

                 theta = arcsin (x/10)

ElectricPavlov  Feb 24, 2018
edited by Guest  Feb 24, 2018

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