Sum and Difference Identities

6. Trigonometric Identities and More Equations / Sum and Difference Identities / Problem 1

Problem 1

Determine the exact value of the following expression by using the difference identity:
sin (315° - 120°)

-(√6)/4

(√2 - √6)/4

(√3)/4

(√2 + √6)/2

Determine the exact value of the following expression by using the difference identity:sin (315° - 120°)