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 +/
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
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