A-Level
CAIE
Further Mathematics
May 2025
QP-202505-Further Mathematics-P22 · Question 6
Question (excerpt):
9231/22/M/J/25 © UCLES 2025 6 (a) Starting from the definitions of tanh and sech in terms of exponentials, prove that tanh sech u u 1 2 2 - = . [3] ....................................................…
9231/22/M/J/25 © UCLES 2025 6 (a) Starting from the definitions of tanh and sech in terms of exponentials, prove that tanh sech u u 1 2 2 - = . [3] ....................................................…
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