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Trigonometry: Triangles to Functions

Food for thought

Big trig
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Problem

Which is larger: \(\sin(\cos x)\) or \(\cos(\sin x)\)?

Does it depend on \(x\)?

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Based on this NRICH resource, used with permission. The NRICH resource remains Copyright University of Cambridge, All rights reserved.

Last updated 25-Jul-17

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  • How many solutions does $\cos (\sin x)=\frac{1}{2}$ have?

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Trigonometry: Triangles to Functions

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