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Find the value of \(\theta\), \(0^\circ \le \theta \le 90^\circ\), such that \(\cos 5^\circ = \sin 25^\circ + \sin \theta\). answer is in degrees,  not radians

 Aug 11, 2020
 #1
avatar+1421 
+5

cos(5º) = 0.996194698

 

sin(25º) = 0.422618261

 

sin(θ) = 0.996194698 - 0.422618261 = 0.573576436

 

Angle  θ = 35º

 Aug 13, 2020
 #2
avatar+111626 
+1
 Aug 13, 2020

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