The angle of elevation of sun ,when the length of shadow of a vertical pole is equal to its height ,is a.45 b.30 c.60
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let the vertical pole height be H
and length of the shadow be L
given
H=L then α=?
therefore
tanα=L/H
tanα=L/L
tanα=1
tanα=tan45
therefore, α=45 degrees
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and length of the shadow be L
given
H=L then α=?
therefore
tanα=L/H
tanα=L/L
tanα=1
tanα=tan45
therefore, α=45 degrees
Pls mark this as brainlist
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