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Trigonometric Identities — AQA Level 2 Certificate Further Maths 8365
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Mathematics
AQA Level 2 Certificate Further Mathematics
Geometry
Trigonometric Ratios and Graphs
Trigonometric Identities
AQA Level 2 Certificate Further Mathematics · 8365
Trigonometric Identities
What you need to know
Understand and apply the core trigonometric identity:
tan
θ
=
sin
θ
cos
θ
\tan \theta = \frac{\sin \theta}{\cos \theta}
tan
θ
=
c
Revision notes
1
Trigonometric Identities
3 key terms
Practise with past papers
Key terms & definitions
Previous subtopic
Exact Trigonometric Values
Next subtopic
Trigonometric Equations
o
s
θ
s
i
n
θ
Understand and apply the Pythagorean trigonometric identity:
sin
2
θ
+
cos
2
θ
=
1
\sin^2 \theta + \cos^2 \theta = 1
sin
2
θ
+
cos
2
θ
=
1
Simplify complex trigonometric algebraic expressions utilizing these foundational identities.
Construct rigorous mathematical proofs verifying derived trigonometric identities.
Solve broader algebraic equations by correctly incorporating and substituting valid trigonometric identities.
