We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website.
Please click on "Accept cookies" if you agree to the setting of cookies. Cookies that do not require consent remain unaffected by this, see
cookie policy and privacy policy.
DECLINE COOKIES

So I had an expression

sqrt( cos^2(t) + sin^2(t) + (1/cos^2(t))^2 )

and I simplifed it to sqrt( 1 + (1/cos^2(t))^2 )

And what next?..

and been staring at last expressions for like 10 minutes :D, feel myself really dumb, maybe someone can help?

Guest Oct 23, 2017