SOLUTION: {{{ cosy/(1-siny)= (1+siny)/cosy

Question 749602: AMP Parsing Error of []: Invalid expression '': syntax error at /home/ichudov/project_locations/algebra.com/templates/Algebra/Expression.pm line 203. . cosy/(1-siny)= (1+siny)/cosy
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
cosy/(1-siny)= (1+siny)/cosy
------------
Cross-multiply to get:
cos^2(y) = 1-sin^2(y)
------
cos^2(y) = cos^2(y)
----
Solution y can have any value that does not make cos(y) = 0
and sin(y) = 1
=======================
Cheers,
Stan H.
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