Eddie S.

asked • 10/24/14

Property of sine function and cosine function?

My teacher wrote that if theta one is any acute value such that sin of theta = k, then another value of theta which satisfies this is theta 2 = pi-theta one. 
 
And for cosine it is theta2=2pi-theta one.
 
What does this mean?

2 Answers By Expert Tutors

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Russ P. answered • 10/25/14

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Philip N. answered • 10/25/14

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