EX-10 - Prove the following identities: a) Sin( A+B)+ Sin( A-B)= 2.SinA.CosB Sin( A+B) b) tan A+ tan B= CosA Cos SecA.Secl.CseA. CscB e) See( A+ B)- Sin 20+ Cas 20+1 CscA CscB - SecA.Sec d) -Cot e Sin 20-Cas 20 +/

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 25E
icon
Related questions
Question
i need the answer quickly
EX-0 - Prove the following identities:
a) Sin( A+B)+ Sin( A-B)= 2.SinA.CosB
Sin( A+R)
b) tan A+ tan R=
CosA Cos
e) See( A+ B)-
Sin 20+ Cas 20+1
SecA.SecH.CseA.CscB
CscA CscB - SecA.Sec
d)
-Cote
Sin 20-Cas 20 +/
Transcribed Image Text:EX-0 - Prove the following identities: a) Sin( A+B)+ Sin( A-B)= 2.SinA.CosB Sin( A+R) b) tan A+ tan R= CosA Cos e) See( A+ B)- Sin 20+ Cas 20+1 SecA.SecH.CseA.CscB CscA CscB - SecA.Sec d) -Cote Sin 20-Cas 20 +/
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage