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Solution 4.2:4c

From Förberedande kurs i matematik 1

Revision as of 13:11, 28 September 2008 by Ian (Talk | contribs)
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In exercise e, we studied the angle 43 and found that

cos43=12 and sin43=12


Because tan x is defined as sinxcosx, we get immediately that


tan43=sin43cos43=1212=1