Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
secondary 4 | A Maths
2 Answers Below
Anyone can contribute an answer, even non-tutors.
Hi, I could not get the answer, could anyone help me.Thank you
The two “c”s have different values.
Think of trigonometric identities involving the two expressions.
See 2 Answers
What happens if cos 2x is converted into “1 - 2 sin^2 x” instead?