We’re now going to look at how to differentiate the simple trig functions – that’s sin, ⁡cos and tan.Make sure you are happy with

trigfunctions 三角函数 trig 2024-12-21 15:43  2

From our first identity sin⁡²θ+cos²θ≡1, we have two new identities.Make sure you are happy with the following topics before contin

trig 三角恒等式 trigidentities 2024-11-21 10:51  3

Remember how we said that sin⁡⁻¹, cos⁡⁡⁻¹ and tan⁡⁡⁻¹ aren’t quite the same as 1/sin⁡, 1/cos⁡ and 1/tan? Here’s why…

trigfunctions 三角函数 trig 2024-11-20 10:26  2