Math, asked by RanjanPranshu, 11 months ago

Q.7. From an aeroplane vertically above a straight horizontal plane, the angles of
depression of two consecutive kilometer stones on the opposite sides of the
aeroplane are found to be a and B. Show that the height of the aeroplane is
tan (< tan ß
tan ( + tan B

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Answered by SwaggerGabru

3

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