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| 1. |
sin square theta + cos square theta equal to 1 verify |
| Answer» P^2+B^2=H^2. Dividing by H^2 on both sides. P^2/H^2+B^2/H^2=H^2/H^2. P^2/H^2=sin^2●. B^2/H^2=cos^2●. Sin^2●+cos^2●=1 | |