+0  
 
0
78
2
avatar

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

 Jul 23, 2023
 #1
avatar+397 
0

sin(theta) = cos(5) - sin(25) = sin(85) - sin(25).

Now use the trig identity for  sin(A) - sin(B).

 Jul 23, 2023
 #2
avatar
0

Thank you, I got it!

Guest Jul 24, 2023

0 Online Users