Cofunction equation with a larger multiple
Cofunction equation with a larger multiple
IB Year 6 | Grade 12
It is given that \(\cos(7x)=\sin(2x)\). Find the value of \(x\) in degrees if \(7x\) is an acute angle.
Video Solution:
Video solution locked
A free account saves your progress; this video needs tuition enrolment.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:\(x=10{}^\circ\)
Need help? Join our JC Math tuition classes.
Learn more