the given trigonometric equation is cosa.cos2a.cos3athen prove that is equal to 1by 4
meghana p , 4 Years ago
Grade
Vectors> the given trigonometric equation is cosa....
3 Answers
Saurabh Koranglekar
Last Activity: 4 Years ago
Dear student
Please check the question, kindly attach an image of the question
Given equation means it has LHS & RHS
Also what is to be found is not clear
Regards
Arun
Last Activity: 4 Years ago
Dear student
Question is not properly written. Please check and repost this. I can also ttach an image. I will be happy to help you.
Vikas TU
Last Activity: 4 Years ago
Dear student
The question is correct
You will get cos ^2(2a )=3/4.
You will get cos ^2(2a )=3/4.
therefore, cos 4A =(3/4)^(1/2).
Hope this will help
Good Luck
Cheers
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