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 ...
BBC4 年
Using the sine and cosine rules to find a side or angle in a triangle
Use this formula when given the sizes of two sides and its included angle.
Electronics Weekly9 天
Electronica: Magnetic angle sensor IC works over 46 turns, with the power off
When the chip is powered normally, it also measures the magnet’s instantaneous angle to within ±0.25° through a pair of ...