Add two trig functions using co function identities

The video tutorial emphasizes the importance of mastering fraction operations before tackling more complex mathematical concepts. It provides a step-by-step guide on adding and subtracting fractions, highlighting the need for common denominators. The tutorial also introduces cofunction identities in trigonometry, explaining how to rewrite expressions using these identities.

Why might working with fractions in trigonometric functions be challenging for some students?

What is the process for adding fractions with the same denominator?

How can you find a common denominator when adding fractions?

Explain the relationship between sine and cosine in terms of cofunction identities.

What is the result of adding one plus cosine in terms of secant?