The new N-Trig DuoSense Pen 2 is an active stylus that delivers an on-screen note taking experience close to using a pen and paper and better than the typical iPad note taking experience. N-Trig sent ...

Struggling with a problem that seems to require trigonometry? This lesson shows how to solve it without using trigonometry, using two easy methods anyone can apply. With clear logic and step-by-step ...

Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles. Trigonometry is found all throughout geometry, as every straight-sided shape may be broken ...