Solve the Equation for A between 0 and 360 inclusive, giving non-exact answers. In each case use trigonometric identities. a) cos2A +3 +4cosA=0 b) 2cos 2A+1+ sinA= 0 THANKS!
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Originally Posted by Oasis1993 Solve the Equation for A between 0 and 360 inclusive, giving non-exact answers. In each case use trigonometric identities. a) cos2A +3 +4cosA=0 b) 2cos 2A+1+ sinA= 0 THANKS! HI (1) go on .... (2)
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