Anonymous
Anonymous asked in Education & ReferenceHomework Help · 1 month ago

Please help?

Advanced function gr12

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  • 1 month ago

    cos²Θ = 1 - sin² Θ so make that substitution then simplify.

    3(1 - sin² Θ) - 5 sin Θ - 4 = 0

    3 - 3 sin² Θ - 5 sin Θ - 4 = 0

    0 = 3 sin² Θ + 5 sin Θ + 1

    Quadratic formula

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