Home
Class 12
MATHS
cos4 0^(@)+cos2 0^(@))=3(cos1 0^(@)+sin2...

`cos4 0^(@)+cos2 0^(@))=3(cos1 0^(@)+sin2 0^(@))` 40 CUSOUcos 40^@ + cos 20O 4(cos310^@ + sin320^@) = 3(cos 10^@ + sin20^@)N3.1 = 4

Promotional Banner

Similar Questions

Explore conceptually related problems

Show that 4(cos^3 10^@+sin^3 20^@)=3(cos10^@+sin20^@)

(2cos40^(@)-cos20^(@))/(sin20^(@))=?

(2cos40^(@)-cos20^(@))/(sin20^(@))

(2cos40^(@)-cos20^(@))/(sin20^(@))

4( cos^(3) 10^(@) + sin^(3) 20^(@))=

1+ cos 10^(@) + cos 20^(@)+ cos 30^(@)= ............... A) 4 cos 5^(@) cos 10^(@) cos 15^(@) B) 4 cos 10^(@) cos 20^(@) cos 30^(@) C) 4 sin 5^(@) sin 10^(@) sin 15^(@) D) 4 sin 10^(@) sin 20^(@) sin 30^(@)

4 (cos ^(3) 20^(@) + cos ^(3) 40^(@)) = 3 ( cos 20 ^(@) + cos 40^(@))

cos25^(0)cos35^(0)-sin10^(0)sin20^(0) ,

Prove that 4(cos ^(3) 10^(@) + sin ^(3) 20^(@)) = 3 ( cos 10^(@) + sin 20^(@)).

4(cos^3 20^(@) + cos^(3) 40^(@))=