Similar Questions
Explore conceptually related problems
Recommended Questions
- cos 6^(@) * cos 42^(@) * cos 60^(@) * cos 66^@ * cos 78^@=
Text Solution
|
- sin ^ (2) 42 ^ (@) - cos ^ (2) 78 ^ (@)
Text Solution
|
- Prove that cos 6^(@) cos 42^(@) cos 66^(@) cos 78^(@) =(1)/(16)
Text Solution
|
- cos A cos (60^(@) –A) cos (60^(@) +A) =(1)/(4) cos 3A
Text Solution
|
- निम्न को सिद्ध कीजिए । cos6^(@) cos 42^(@) cos 66^(@) cos 78^(@)=(1)...
Text Solution
|
- सिद्ध कीजिए कि cos A * cos (60^(@)+A) cos (60^(@) - A) = 1/4 cos ...
Text Solution
|
- सिद्ध कीजिए कि cos 36^(@) cos 42^(2) cos 78^(@) =1/8
Text Solution
|
- Show that cos 42^(@) + cos 78^(@) + cos 162^(@) = 0
Text Solution
|
- Prove that sin^(2)42^(@)-cos^(2)78^(@).
Text Solution
|