Error in lines 2-3
Traceback (most recent call last):
File "/cocalc/lib/python2.7/site-packages/smc_sagews/sage_server.py", line 1013, in execute
exec compile(block+'\n', '', 'single') in namespace, locals
File "<string>", line 1
SyntaxError: keyword can't be an expression
Draw trigonometric functions
Interact: please open in CoCalc