BBC2 年
Using the sine and cosine rules to find a side or angle in a triangle
The trigonometric ratios sine, cosine and tangent are used to calculate angles and sides in right angled triangles. We are now going to extend trigonometry beyond right angled triangles and use it ...
Railway Technology1 个月
Schaefer Introduce Low Cost and Compact 5kW Pure Sine Wave Inverter
Schaefer introduces the AEP-5000 series of 5,000W, rugged, high-efficiency, pure sine wave inverters. The ‘clean’ pure sine wave output of the AEP-5000 series with less than 3% total harmonic ...