1.4 Trigonometry

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Question 39

a.

Sketch the graphs of $\cos x$ and $\sin x$ for $0^\circ \leq x \leq 180^\circ\,$ on the same axes.

[2]

b.

Find the exact coordinates of the point of intersection of these graphs, giving the answer in the form $(arctan⁡a,kb)(\arctan a, k\sqrt{b})$ , where $a\,$ and $b\,$ are integers and $k\,$ is rational.

[4]

1.4 Trigonometry

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Question 39

a.

Sketch the graphs of $\cos x$ and $\sin x$ for $0^\circ \leq x \leq 180^\circ\,$ on the same axes.

[2]

b.

Find the exact coordinates of the point of intersection of these graphs, giving the answer in the form $(arctan⁡a,kb)(\arctan a, k\sqrt{b})$ , where $a\,$ and $b\,$ are integers and $k\,$ is rational.

[4]

1.4 Trigonometry

Question 39

1.4 Trigonometry Questions

1.4 Trigonometry

Question 39

1.4 Trigonometry Questions