Trig.

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In right triangle ABC, C is the right angle and sinA=(radical 3/2). What is the value of csc B?

  • Trig. -

    make yourself familiar with the
    30°-60°-90° triangle whose sides are in the ratio
    1 : √3 : 2

    make a sketch to see.

    then sin B = 1/2 and
    csc B = 2

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