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Solution 4.3:3a

From Förberedande kurs i matematik 1

Revision as of 13:20, 9 October 2008 by Tek (Talk | contribs)
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The angle v is the reflection of the angle v in the x-axis, and under such reflection the x-coordinate does not change, whereas the y-coordinate changes sign. This means that if sinv=a, then sin(v)=a.