Problems
Problem 2.1:
Use
α = 30o and
β = 45o to find the sine, cosine, and
tangent of
75o.
[Solution]
Problem 2.2:
Use
α = 135o and
β = 30o to find the sine, cosine, and
tangent of
105o.
[Solution]
Problem 2.3:
Express the following as a function of a single angle:
sin(20o)sin(30o) + cos(20o)cos(30o).
[Solution]
Problem 2.4:
Express the following as a function of a single angle:
.
[Solution]
Problem 2.5:
Express the following as a function of a single angle:
sin(340o)cos(120o) + cos(340o)sin(120o).
[Solution]
.
[Solution]
