fordwatermelon9 fordwatermelon9
  • 24-10-2021
  • Mathematics
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If tan t= 2/3 then cos t =3
True or false?

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physicsgeniuspi physicsgeniuspi
  • 24-10-2021

Answer:

FALSE

Step-by-step explanation:

We are assuming that t is a real number.

Thus, cos(t) is a real number greater than or equal to -1 and less than or equal to +1.  

Thus, cos(t) = 3 is false for all real t, and so in particular it is false for the value(s) of t such that tan(t) = 2/3.  

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