17 5 with B in QIII, find 13 2. If sin A =with A in Ql and cos B a. cos(A + B) b. tan(A + B) C. sin(A+ B) 3. nd Rre in Qu adran
17 5 with B in QIII, find 13 2. If sin A =with A in Ql and cos B a. cos(A + B) b. tan(A + B) C. sin(A+ B) 3. nd Rre in Qu adran
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Question
Solve 2
Transcribed Image Text:3
2.
III. Apply sum and difference identities to solve the given trigonometric
functions.
1. If a and B are the measures of two first quadrant angles, find the exact value
of each function.
and tan B
17
13
find cos(a - B)
24'
a. if sin a
b. if csca
and tan B =, find tan(a + B)
15
24
C. if cos a=
and cot ß = , find sin(a- B)
17
2. If sin A = = with A in Ql and cos B=
with B in QlII, find
13
a. cos(A + B)
b. tan(A + B)
C. sin(A+ B)
3. If tan A = - and sin B =
5
and angles A and B are in Quadrant I, find the value of
V41
a. cos(A – B)
b. tan(A - B)
4. Given A in Quadrant I with sin A
cos B = 3/5, What is the value of cos(A - B)?
5. When sin A
12
and angle B in Quadrant Il with
13"
- and A lies in Quadrant ll and cos B = - and B lies in
Quadrant II, what is tan(A + B)?
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