Math, asked by mandeepHundal6082, 6 months ago

If theis the line of the line segment joining the points p X1 Y1 and q X2 Y2 subtends and angle Alpha at the origin prove that OP. OQ cos alpha is equal to X1 X2 + Y1 Y2

Answers

Answered by rabiulmusha90

1

Answer:

Y284348431138193154543

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