SOLUTION: Use your calculator to check a) cos 2.4 = -cos (π-2.4) b) sin 1.5 = cos(π/2 - 1.5) Can you please help me out? Thanks so much in advance:)

Algebra ->  Trigonometry-basics -> SOLUTION: Use your calculator to check a) cos 2.4 = -cos (π-2.4) b) sin 1.5 = cos(π/2 - 1.5) Can you please help me out? Thanks so much in advance:)       Log On


   



Question 878808: Use your calculator to check
a) cos 2.4 = -cos (π-2.4)
b) sin 1.5 = cos(π/2 - 1.5)
Can you please help me out? Thanks so much in advance:)

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Use your calculator to check
a) cos 2.4 = -cos (π-2.4)
b) sin 1.5 = cos(π/2 - 1.5)
Can you please help me out? Thanks so much in advance:)
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Do you have a calculator?
All you have to do is check to see if they're true.