Question

Find the value of 7 sec² B - 7 tan^2 B​

Answer 1

Answer:

Step-by-step explanation:

Given that,

7 sec² B - 7 tan² B

= 7 ( sec² B - tan² B )

= 7 ( 1 ) (∵ sec² x - tan² x = 1 )

= 7 is the answer.