Question

I want to know all trigonometry formulas

Answer 1

till what class do you know want

Answer 2

All Trigonometry Formulas

Here I'm sending you all trigonometric formulas in the following above attachments based on higher secondary level upto class 12th.

There are some more Trigonometry formulas of alternative 1/2 Trigono-formulas.

• cos 2x = 2 cos²x − 1
• 1 + cos 2x = 2 cos²x
• 1 + cos x = 2 cos²x/2
• cos 2x = 1 - 2 sin²x
• 2 sin²x = 1 − cos 2x
• 2 sin²x/2 = 1 − cos x

.✯✮☆✮✯.