Home
Class 12
MATHS
[" 21."(cos4A+cos3A+cos2A)/(sin4A+sin3A+...

[" 21."(cos4A+cos3A+cos2A)/(sin4A+sin3A+sin2A)=],[" (a) "tan3A],[" (c) "cos3Aquad " (b) "sin3A]

Promotional Banner

Similar Questions

Explore conceptually related problems

Prove that: (cos4A+cos3A+cos2A)/(sin4A+sin3A+sin2A)=cot3A

Prove that: (cos2A+cos3A+cos4A)/(sin2A+sin3A+sin4A)= cot3A

Prove that: (cos2A+cos3A+cos4A)/(sin2A+sin3A+sin4A)= cot3A

(cos3A+sin3A)/(cos A-sin A)=1+2sin2A

sin4A=4cos^(3)A sin A-4sin^(3)A cos A

(cos3A-cos A)/(sin3A-sin A)+(cos2A-cos4A)/(sin4A-sin2A)=(sin A)/(cos2A cos3A)

(sin A+sin3A)/(cos A+cos3A)=tan2A

Prove that: (sin3A cos4A-sin Acos2A)/(sin4A sin A+cos6A cos A)=tan2A

Evaluate : (cos3A-3cos4A)/(sin3A+2sin4A)," when "A=15^(@) .

Evaluate : (cos3A-3cos4A)/(sin3A+2sin4A)," when "A=15^(@) .