COS

Sun, 30 Jun '24

Graphing calculator button

Thu, 11 May '23

Trig fig.

Mon, 13 Mar '23

Fortune 500 listings: Abbr.

Wed, 16 Nov '22

Sin : y-axis :: ___ : x-axis

Sun, 22 Aug '21

sin/tan

Fri, 6 Aug '21

Trig function

Sun, 28 Feb '21

Sin's counterpart

Sat, 20 Feb '21

Trig function