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QLDMath MethodsQuick questions
Unit 4: Further calculus and statistical inference
Quick questions on Integration of trigonometric functions: QCE Maths Methods Unit 4
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is wrong sign on antiderivative?Show answer
(sign change); (no sign change).
What is sign-cancellation forgotten when integrand changes sign on the interval?Show answer
For total area, split at zeros and take absolute values; for signed integral, do not.
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