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Joe B
Joe B asked in Science & MathematicsMathematics · 8 years ago

What is the exact value of tan(- 3π / 2 )?

I got 1/0...not sure if this is right.

4 Answers

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  • Drink and Derive
    8 years ago
    Favorite Answer

    That would be the tan(-270) or tan(90)... so tan= sin90/cos90... which means 1/0 or undefined.

  • Cheddah
    8 years ago

    tan(- 3π / 2) = sin(-3π/ 2)/cos(-3π/2) ---> sin(-3π/ 2) = 1, cos(-3π/ 2)) = 0, so tan(- 3π / 2) = 1/0

    So yeah you are correct

  • SOMESH
    8 years ago

    Exact value -5.443746451065123E15

  • cidyah
    Lv 7
    8 years ago

    tan(-3pi/2) = -tan(3pi/2) =-sin(3pi/2)/cos(3pi/2) = 1/0

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