Practice problem
Let xxx be a real number such that secx−tanx=2\sec x - \tan x = 2secx−tanx=2. Then secx+tanx=\sec x + \tan x =secx+tanx= (1999 AHSME #15)
12\frac1221
111
32\frac3223
222
Type a concept, like “slope” or “photosynthesis”.
