Asked by Melissa
State a trigonometric ratio that is equivalent to each of the following trigonometric ratios
Sin 3pie/10
Cos 6pie/7
Sin 3pie/10
Cos 6pie/7
Answers
Answered by
Reiny
How about adding one rotation to your angle
sin 3π/10
= sin (3π/10 + 2π)
= sin (23π/10)
do the same with the second question.
check each one with your calculator
sin 3π/10
= sin (3π/10 + 2π)
= sin (23π/10)
do the same with the second question.
check each one with your calculator
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