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Today, 07:45

Solve for theta in the interval 0

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Answers (1)
  1. Today, 08:40
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    Heya!

    According to the question,

    cosθ. sinθ - 0.5 cosθ = 0

    --> cosθ. (sinθ - 0.5) = 0

    Now,

    Either cosθ = 0 or sinθ = 1/2

    Case 1 : cosθ = 0

    Therefore, θ=π/2,3π/2 Ans.

    Case 2 : sinθ = 1/2

    Therefore, θ=π/6, 5π/6 Ans.
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