a. If sin(A)=-3/5 with A in QIII, and sin(B)=4/5 with B in QII then sin(A+B)= b. If sin(A) = -4/5 with A in QIV, and sin(B) = -3/5 with B in QIII then cos(A+B)= c.If sin(A) = -3/5 with A in QIII, and sin(B) = 4/5 with B in QII then cos(A-B) d. If sin(A) = -4/5 with A in QIII, and sin(B) = -3/5 with B in QIV then sin(A-B)=
a. If sin(A)=-3/5 with A in QIII, and sin(B)=4/5 with B in QII then sin(A+B)= b. If sin(A) = -4/5 with A in QIV, and sin(B) = -3/5 with B in QIII then cos(A+B)= c.If sin(A) = -3/5 with A in QIII, and sin(B) = 4/5 with B in QII then cos(A-B) d. If sin(A) = -4/5 with A in QIII, and sin(B) = -3/5 with B in QIV then sin(A-B)=
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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(there are mutiple parts for this question, please asnwer all parts.) For the following problem, assume that all given
a. If sin(A)=-3/5 with A in QIII, and sin(B)=4/5 with B in QII then
sin(A+B)=
b. If sin(A) = -4/5 with A in QIV, and sin(B) = -3/5 with B in QIII then
cos(A+B)=
c.If sin(A) = -3/5 with A in QIII, and sin(B) = 4/5 with B in QII then
cos(A-B)
d. If sin(A) = -4/5 with A in QIII, and sin(B) = -3/5 with B in QIV then
sin(A-B)=
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