2 sin^2 theta - cos theta + 4= 0
Answers
Answered by
4
Answer:
sin^2theta =1-cos^2
2(1-cos^2)-costheta +4=0
2-2cos^2-cos+4=0
2cos^2+cos-6=0
2cos^2+4cos-3cos-6=0
Step-by-step explanation:
2cos(cos+2)-3(cos+2)=0
cos=3/2
cos=-2
non is possible because range of cos is -1 to 1
then
non is possible
Similar questions
Business Studies,
5 months ago
Physics,
10 months ago
English,
10 months ago
Physics,
1 year ago
Physics,
1 year ago