anonymous
  • anonymous
how do you type cosine theta in calculator
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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ganeshie8
  • ganeshie8
first type theta, then press cos
anonymous
  • anonymous
where is theta
ganeshie8
  • ganeshie8
you dont have value for theta is it.. you want to see the graph of cosine ?

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anonymous
  • anonymous
you said type theta first
ganeshie8
  • ganeshie8
if you have theta = 30, type 30 first
ganeshie8
  • ganeshie8
and then press cos, i meant that
ganeshie8
  • ganeshie8
if you want graph, just type below in desmos :- y=cos(theta)
1 Attachment
anonymous
  • anonymous
cos(theta) = 96/114
ganeshie8
  • ganeshie8
ohk ! to solve that, you must take inverse cos
ganeshie8
  • ganeshie8
cos(theta) = 96/114 take cos inverse both sides theta = cos^-1 96/114
ganeshie8
  • ganeshie8
do u knw how to take cos^-1 in your calculator ? :)
anonymous
  • anonymous
yes
anonymous
  • anonymous
it is not coming out 32.9
ganeshie8
  • ganeshie8
im getting 32.64
ganeshie8
  • ganeshie8
http://www.wolframalpha.com/input/?i=inversecos%2896%2F114%29 look at degrees above
anonymous
  • anonymous
i didnt have calculator in degrees. thank you
ganeshie8
  • ganeshie8
ohh i do that silly mistake always lol.. .:)
anonymous
  • anonymous
does that mean I only need to be in radians if I'm converting to radians.
ganeshie8
  • ganeshie8
actually it doesnt matter wat mode we put the answer in as long as we're clear. When the question doesn't say about units, always put it in degrees - default is accepted as degrees by many folks.
ganeshie8
  • ganeshie8
32.64 degrees is same as 0.57 radians
anonymous
  • anonymous
k thanx.
ganeshie8
  • ganeshie8
so... we're fine when we specify the units explicitly. when the question doesnt bother about degrees/radians, always put the answer in degrees, cuz thats the most accepted form (default)
ganeshie8
  • ganeshie8
you're wlcme :)
goformit100
  • goformit100
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