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*This video supplements a TGS iTunes U course. Enroll and enjoy: https://itunes.apple.com/us/course/using-trigonometry-to-measure/id691828353 Trigonometry is often a part of Mathematics that many students struggle with because they find it too abstract to understand the practical applications of this field. Math teacher Ambika Dani recently introduced her 10th grade Mathematics class to right-angled trigonometry. As they talked…

When lambda-0, the solutions to d^2y-dt^2 = (lambda) y are most easily expressed in terms of the hyperbolic trig functions cosh(t) and sinh(t).

In #CoordGoemetry the #Midpoint and #PointOfTrisection tells us the coordinates of the point which divides a given line segment (Internally) into two equal and three equal parts respectively such that their lengths are in the ratio m:n=1:1 and m:n=1:2 or 2:1 respectively. If point P lies on line segment AB and satisfies AP:PB=m:n , then…

Rate of change of difference between functions. Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-ab/ab-solved-exams/ab-solved-exams-2015/v/2015-ap-calculus-abbc-3a?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-ab/ab-solved-exams/ab-solved-exams-2015/v/2015-ap-calculus-ap-2b?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB AP Calculus AB on Khan Academy: Bill Scott uses Khan Academy to teach AP Calculus at Phillips Academy in Andover, Massachusetts, and heÕs part of the teaching team that helped develop Khan AcademyÕs AP lessons. Phillips Academy was…