Delta-K,  Technology,  Volume 18, Issue 2

Using Calculators to Teach Trigonometry

Journal of the Mathematics Council of the Alberta Teachers’ Association

Volume 18 Issue 2, November 1978

6 – 10

Using Calculators to Teach Trigonometry

Walter Szetela and Robert Campbell

Consider the plight of the ungifted mathematics students learning about trigonometric ratios for the first time.