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Trigonometry is the bane of student life for many GCSE mathematics students: ‘What’s the point of this? When am I ever going to need trigonometry when I’m older? Who’s Pythagoras?’ Trigonometry does not really appear much in physics lessons until you get to A-level. Then, as we often see, the mathematics does indeed become useful when we put it in a physics context.
Sadly, for those not lucky enough to be physicists, trigonometry often gets lumped in with algebra as one of those ‘waste of time’ topics you studied at school – and probably hated. Let us have a look at why it is useful for A-level physics.
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