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Larry
Larry asked in Science & MathematicsMathematics · 7 years ago

Find the exact value of the following:?

a) sin 7π/4 = ____________

b) cos (− 4π/3) = ____________

c) tan 5π/6 = ____________

d) sin π = ____________

e) cos 11π/3 = ____________

f) tan 3π/4 = ____________

2 Answers

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  • iGolfPing
    7 years ago
    Favorite Answer

    a) -√2/2

    b)-1/2

    c)-√3/3

    d)0

    e)-√3/2

    f)-1

  • alex
    Lv 7
    7 years ago

    sin 7π/4 =sin (-π/4) = ...

    cos (− 4π/3) = cos (2π/3) = ...

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