{"result":{"text":"begin mathsize 14px style square root of 1 plus x squared end root open square brackets open curly brackets x space cos open parentheses c o t to the power of negative 1 end exponent x close parentheses plus sin open parentheses c o t to the power of negative 1 end exponent x close parentheses squared minus 1 close curly brackets minus 1 close square brackets to the power of 1 divided by 2 end exponent equals end style"},"status":"ok"}