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Ex prove the identities: sino ==// Sing - = sin 30 () (ii) (05¹0 = = cos 40 + = cos 20 + ²/2 8

Ex prove the identities: sino ==// Sing - = sin 30 () (ii) (05¹0 = = cos 40 + = cos 20 + ²/2 8

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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EX prove the identities: sine = = Sine - = sin 30 3 sino (ii) costo = = cos 40 + = cos 20 + 3/2 4 3 (1) Sine= 4 (ii) Co30 = ( to io, 3 e - C میں d a 20 .io 10 -10 4 (co+ 10,4 ELOH (et ( 16 2. امبر e
Transcribed Image Text:EX prove the identities: sine = = Sine - = sin 30 3 sino (ii) costo = = cos 40 + = cos 20 + 3/2 4 3 (1) Sine= 4 (ii) Co30 = ( to io, 3 e - C میں d a 20 .io 10 -10 4 (co+ 10,4 ELOH (et ( 16 2. امبر e
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