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Why don't my iPhone calculator and graphing calculator calculate sin, cos, and tan correctly? Is there a way to fix this, and if so, how?

Guest Jun 12, 2017
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2+0 Answers

 #1
avatar+4701 
+1

Maybe you need your answers given in radians instead of degrees, or degrees instead of radians?

The graphing calculator should have a setting to put it in degree mode or radian mode.

 

If you can't find the setting, you can convert from degrees to radians by multiplying by   π / 180

( And you can convert from radians to degrees by mutiplying by   180 / π ).

hectictar  Jun 12, 2017
 #2
avatar+1221 
+1

What type of calculator are you using? Knowing this information will make it easier to diagnose the problem and fix it.

TheXSquaredFactor  Jun 13, 2017

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