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which expression is equivalent to (sin(2B))/(2sin²B)?

a) 2cscB

b) 2/sinb

c) tanB

d) cotB

1 Answer

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  • Ash
    Lv 7
    12 months ago

    sin(2B)/(2sin²B)

    = 2 sinB cosB/(2sin²B)

    = tanB

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