Question 444343
How do I sovle the following equation? 
sin(x)+cos(x)= 1/cos(x
..
0 < x < 90 deg
sin(x)+cos(x)= 1/cos(x
sinxcosx+cos^2x=1
sinxcosx+1-sin^2x=1
sinx(cosx-sinx)=0
sinx=0
x=0
..

cosx-sinx=0
cosx=sinx
sinx/cosx=1
tanx=1
x=45 deg

ans:
x=0 and 45 deg