Asked by shak
Given Cos (theta)= 0.5, find Sin (theta) and tan (theta), correct to 2 decimal places.
Answers
Answered by
Reiny
theta is 60º or 300º
Use your calculator if you want decimal answers.
We can actually get exact answers here.
make a triangle with angles 30-60-90
then the sides opposite these angles are 1,√3, and 2
sin 60º = √3/2 tan 60º = √3
sin 300 = -√3/2 tan 300 = -√3
Use your calculator if you want decimal answers.
We can actually get exact answers here.
make a triangle with angles 30-60-90
then the sides opposite these angles are 1,√3, and 2
sin 60º = √3/2 tan 60º = √3
sin 300 = -√3/2 tan 300 = -√3
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