solve this
ans- tanx +c
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∫2 / 1+cos 2x dx
=∫2 /2cos²x dx
2 is cancelled
=∫1 /cos²x dx
=∫ sec²xdx
= Tanx + c
=∫2 /2cos²x dx
2 is cancelled
=∫1 /cos²x dx
=∫ sec²xdx
= Tanx + c
reddi625sahu:
hope this helps u .....
1 +cos 2x = cos square x
clear?
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