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1.5 Trigonometry

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Question 3

Solve, for 0≤x<180∘0 \leq x < 180^\circ0≤x<180∘, the equation,

cos⁡(2x+15)=0.3 \cos(2x + 15) = 0.3 cos(2x+15)=0.3

Give your answers to one decimal place.

[5]

1.5 Trigonometry Questions

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