What is the value of cos2θ – sin2θ if the length of the opposite side is 20 units and the length of the hypotenuse is 29
Posted: Wed Jul 13, 2022 8:06 pm
a) \(\frac {- 41}{841}\)
b) \(\frac {- 41}{840}\)
c) \(\frac {41}{841}\)
d) \(\frac {41}{840}\)
b) \(\frac {- 41}{840}\)
c) \(\frac {41}{841}\)
d) \(\frac {41}{840}\)