15 minutes of drills daily + 1 full practice test weekly.
You cannot waste time dividing 7 by 8. Memorize these: General Math Tmsca Study Guide
For multiplication or addition problems, only multiply the last digits to eliminate wrong answers. 15 minutes of drills daily + 1 full practice test weekly
In a right triangle, ( \sin A = \frac35 ). Find ( \cos A ). Solution: ( \cos A = \sqrt1 - (3/5)^2 = \sqrt1 - 9/25 = \sqrt16/25 = 4/5 ). General Math Tmsca Study Guide