Trigonometry - Symmetry of Trigonometric Functions
Trigonometry - Symmetry of Trigonometric Functions
TGM Original Questions
Given that \(\sin 48^\circ = a\), express each of the following in terms of \(a\).
- \(\cos 48^\circ\)
- \(\tan 228^\circ\)
- \(\sin 42^\circ\)
- \(\sin(-132^\circ)\)
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.
Create a free account to practise similar questions.
Answer:(i) \(\sqrt{1-a^2}\). (ii) \(\sqrt{1-a^2}\). (iii) \(\dfrac a{\sqrt{1-a^2}}\). (iv) \(-a\).
Need help? Join our A-Maths tuition classes.
Learn more