Question: Solve the following equations for , in the interval 0 < < 2, giving your answers to 3 significant figures where they are not

Solve the following equations for θ, in the interval 0 < θ < 2π, giving your answers to 3 significant figures where they are not exact.

a 5 cos 20 = 4 c 3 tan 40-5=-4 b 5 sin 30 + 3 = 1 d10 cos 20 + 2 = 32

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