Question

7tan ^2 theta -7sec^2 find

Answer 1

Answer:

Let theta be x

Step-by-step explanation:

7 tan²x - 7 sec²x

7( sin²x/cos²x) -7( 1/cos²x)

7( sin²x / cos²x - 1/cos²x)

7(sin²x - 1/cos²x )

7 ( - cos²x / cos²x ) Formula ( sin²x + cos²x = 1 )

So , 7tan²x - 7sec²x = -7