What is maximum value of 3-7cos 5x
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SOLUTION...
The value of cos x :-
-1 《 cos x 》1
So, the maximum value of cos x is 1 and minimum value of cos x is- 1.
Now, For maximum value:-
cos 5x = 1
( multiply both sides by -7)
-7cos 5x = -7
(adding 3 on both sides)
3-7cos x = -7+3
3-7cos x = -4.
☆☆☆☆HOPE THIS WILL HELP YOU......
The value of cos x :-
-1 《 cos x 》1
So, the maximum value of cos x is 1 and minimum value of cos x is- 1.
Now, For maximum value:-
cos 5x = 1
( multiply both sides by -7)
-7cos 5x = -7
(adding 3 on both sides)
3-7cos x = -7+3
3-7cos x = -4.
☆☆☆☆HOPE THIS WILL HELP YOU......
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