Using
47.
Verify the identity
c) tan(
a
-
b
)
b) cos(
a
-
b
)
Thus,
Using the figures on the right we have
a) sin(
a
+
b
)
41.
Given sin
a
= 3/5
a
in Quadrant I, and tan
b
= 5/12,
b
in Quadrant III, find
81.
Verify the identity
Using
and
70.
Write
as a function involving only sin(
q
), cos(
q
) or tan(
q
)
and
Using
63.
Verify the identity
23.
Write
as a single trigonometric function
Undefined
Using
18.
16.
Using
8.
Find the exact value of the expressions
A. Farhat
Homework Solution 6.2
Math 002-041
c) tan (
a
+
b
)
b) cos (
a
+
b
)
Using the figures on the right we have,
a) sin (
a
-
b
)
35.
Given sin
a
= -4/5
a
in Quadrant III, and cos
b
= -12/13,
b
in Quadrant II, find
30.
Write
as a single trigonometric function
and 
as a function involving only sin(q), cos(q) or tan(q) 
as a single trigonometric function
as a single trigonometric function