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Sine and Cosine Relations
Questions (2)
Angles x and y are located in the first quadrant such that sinx=3/5 and cosy=5/13.
a) Determine an exact value for cosx. b)
3 answers
asked by
Anonymous
1,569 views
1. For what values is the following equation true? sin(x+20)=cos(y−10)
A. X=30 and y=60 B. X=30 and y=40 C. X=20 and y=50 D.
1 answer
asked by
goku
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Parent Categories (2)
Equations and identities
Trigonometric Functions