Power of a point | Proof by Algebra way

Power of a point | Proof by Geometry way
• Power of a point | Pro...
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Moon | Prod.seekx
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[@SanjayKumar-wx7wq]

Excellent....

[@wesrobertson8753]

Jesus. I understand the whole thing. It's brilliant and I'm not English

[@mach1553]

What book is this from?

[@shrekisloveshrekislife4179]

yes

[@shrekisloveshrekislife4179]

also when you were doing the law of cosine part, I think you forgot to include the cos(theta), or maybe I made a mistake.

[@ambrishabhijatya7842]

@@shrekisloveshrekislife4179 There's a dot product.

[@doubledonut9313]

ab cos theta equals to a•b

[@leif1075]

​@@doubledonut9313it doesnt make any sense tomdraw that triangle though. Why not draw right triangles..don't you agree thats what most ppl.will.think of reslly.smart ppl..indont see anyije usijg law ofmcosones orndraeing that triangle..andnwhy domyou call.one aide p.when bith aides are radii and so both can ne labeled r? Thanks for sharing.