A negative transformed endpoint
A negative transformed endpoint
5 marks
TGM Original
Solve 2cos(3x+60)+1=0 for -60 <= x 120. Give all solutions exactly.
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:\(x=-60^\circ,20^\circ,60^\circ\)
Need help? Join our JC Math tuition classes.
Learn more