We have to simplify 1/sec x
Solution
We know that sec x can be expressed as 1/cos
1/sec x = 1/1/cos x
1/sec x = cos x
We have to simplify 1/sec x
We know that sec x can be expressed as 1/cos
1/sec x = 1/1/cos x
1/sec x = cos x
BOOK
Free Class
BOOK
Free Class