👉 Learn how to evaluate trigonometric functions using trigonometric identities. Trigonometric identities are equalities that involve trigonometric functions. We will focus on the cofunction ...

A PowerPoint that can be used with a class, A scaffolded student version of the PowerPoint with gaps for the students to fill in, A differentiated worksheet with answers included. This resource is ...

A worksheet on differentiating functions involving sine, cosine, tangent, cotangent, secant and cosecant. The exercises require the use of the basic rules: rule for constant functions, power rule, ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American On Monday, the Onion reported that the ...