find the value of
cos 50°/sin40°+cos49°/sin41°-8sin^2 30°
Answers
Answered by
1
Answer:
cos 50°/sin40°+cos49°/sin41°-8sin^2 30°
sin(90°-40°)/Sin40°+sin (90°-41°)/sin41°-8×(1/2)^2
Sin40°/sin40°+sin41°/sin41°-8×1/4
1+1-2
2-2
0
Answered by
0
Answer:
cos 50;.sin40+ cos 49 /sin41-8sin ^2 30°
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