Version Conflict: Formula for doing one language and one currency

https://byjus.com/sin-cos-formulas/

https://chatgpt.com/share/67933f3d-546c-800a-85fa-6cd75a3d4fb8

sin²θ + cos²θ = 1.

tan²θ + 1 = sec²θ

cot²θ + 1 = cosec²θ

sin 2θ = 2 sin θ cos θ

cos 2θ = cos²θ – sin²θ

tan 2θ = 2 tan θ / (1 – tan²θ)

Here are the names of the formulas from the images:

1. Sine Law
   

2. Cosine Law

3. Product Identities

4. Multiple Angle Formulas

5. Product to Sum Formulas

6. Periodic Identities

   • Various sine and cosine transformations based on periodicity and symmetry.

If you need any specific explanations or further breakdowns, let me know!

cot 2θ = (cot²θ – 1) / 2 cot θ