Equation solving with SCT

Question 1

How to draw cast diagram?

Answer 1

• C starts bottom right
• Anti-clockwise

Question 2

What’s 1 formula u needa know?

Answer 2

cos²θ+sin²θ≡ 1 very tangible btw

Question 3

What’s 1 other formula u needa know?

Answer 3

tan θ = sinθ/cosθ

Question 4

But what do u mostly need to do for these questions?

Answer 4

Finding the number of solutions in a certain range of degrees

Question 5

Find questions

Answer 5

Mk