Trigonometric and Exponential Graphs
31
Medium
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Here is a sketch of the curve y=cos⁡x∘y = \cos x^\circy=cosx∘ for 0≤x≤3600 \leq x \leq 3600≤x≤360

A graph of the cosine function y = cos x degrees for 0 ≤ x ≤ 360.

Use the graph to find estimates of the solutions, in the interval 0≤x≤3600 \leq x \leq 3600≤x≤360, of the equation:

i.

cos⁡(x)=−0.4\cos(x) = -0.4cos(x)=−0.4

[2]
ii.

4cos⁡(x)=34 \cos(x) = 34cos(x)=3

[2]

Trigonometric and Exponential Graphs Questions

Practise OCR GCSE Maths Trigonometric and Exponential Graphs with exam-style questions for Foundation and Higher tier. 33 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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Trigonometric and Exponential Graphs Questions

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