Solve: CCCXCVIII - LXXXVIII
Step 1: CCCXCVIII = 398 LXXXVIII = 88 Step 2: CCCXCVIII - LXXXVIII = 398 -88 =310 Step 3: 310 = CCCX
Solve the equation, 2cos2θ+3sinθ=0
Or
Solve the equation, sec22x=1−tan2x
Solve: