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3.7.1 Integration (A-level only)

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Question 39

In signal processing, the instantaneous power $P\,$ of a specific modulated wave relative to its phase $\phi\,$ is modeled by the function:

P(\phi) = (5\cos \phi - 2\sin \phi)^2

Determine the indefinite integral of the power function with respect to the phase, giving your answer in its simplest form:

\int P(\phi) \, d\phi

[6]

Markscheme

3.7.1 Integration (A-level only) Questions

A Level
Maths
3.7.1 Integration (A-level only)

67 exam-style questions on WJEC A Level Maths 3.7.1 Integration (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

3.7.1 Integration (A-level only)

Question bank

3.7.1 Integration (A-level only)

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Question 39

In signal processing, the instantaneous power $P\,$ of a specific modulated wave relative to its phase $\phi\,$ is modeled by the function:

P(\phi) = (5\cos \phi - 2\sin \phi)^2

Determine the indefinite integral of the power function with respect to the phase, giving your answer in its simplest form:

\int P(\phi) \, d\phi

[6]

Markscheme

3.7.1 Integration (A-level only) Questions

A Level
Maths
3.7.1 Integration (A-level only)

67 exam-style questions on WJEC A Level Maths 3.7.1 Integration (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.