160 likes | 248 Views
STEP I trigonometry: illustration 1. STEP I trigonometry: illustration 1. cos –1 x. –1. 1. STEP I trigonometry: illustration 1. STEP I trigonometry: illustration 2. STEP I trigonometry: illustration 2. STEP I trigonometry: illustration 2. STEP I trigonometry: illustration 3.
E N D
STEP I trigonometry: illustration 1 cos–1 x –1 1
STEP 2 trigonometry: illustration 5 A P: inclined plane α l1 h l3 l2 Horizontal plane α Homework: Use relationships from the various right angled triangles to derive the results.
STEP 2 trigonometry: illustration 5 A P: inclined plane α l1 h l3 l2 B Horizontal plane α C D E