Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Trending News

Promoted
Henry C
Lv 4
Henry C asked in Science & MathematicsMathematics · 1 decade ago

if Θ= arccos (√3/2) what is the value of sin Θ?

arccos (√3/2) is 30, what do i do next?

2 Answers

Relevance
  • Lim ♥ E
    Lv 6
    1 decade ago
    Favorite Answer

    if Θ= arccos (√3/2) what is the value of sin Θ?

    arccos (√3/2) is 30, what do i do next

    Henry C

    Θ= arccos (√3/2) is the same as Cos Θ = √3/2

    Cos Θ = 0.866 ← from Trigo. Table (0.866)

    then: Θ = 30° ◄ Ans

    Sin 30° ← from Trigo. Table (Sin 30)

    ======================

    => 0.5 ◄ Ans

    ======================

    hope this helps

    Remember that Jesus loves you. Know Him in His words the Bible.

    God Bless

    Lim♥E

  • Fizik8ix
    Lv 5
    1 decade ago

    Θ = arccos (√3/2 )

    Θ = 30°

    sin Θ = ?

    sin 30° = 1/2 ............Use calculator....

Still have questions? Get your answers by asking now.