Leaving Cert Maths 2021 Paper 2 Question 7 Higher Level (Solution)
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@GCSEALevelMaths2025 2 жыл бұрын
Great explanation sir I make similar videos to you!!
@fays7309 2 жыл бұрын
In question (c), why do you use Tan inverse to find Cos? I thought you would've had to use Cos inverse
@tullamaths 2 жыл бұрын
Ah well spotted - it is a typo from me, you are correct, it should read Cos inverse. My answer uses Cos though (I just wrote Tan by mistake). Hope that clarifies
@fays7309 2 жыл бұрын
@@tullamaths ah thank you! I was wondering what I missed