Question

ah answer this question​

Answer 1

Step-by-step explanation:

Hope it will be help ful for u....

Answer 2

Answer:

i have taken theta as A

Step-by-step explanation:

L.H.S:

sec^4A - sec^2A

sec^2A(sec^2A - 1)

now, sec^2A - 1 is tan^2A

and Sec^2A is 1 + tan^2A

hence (1 + tan^2A)tan^2A

tan^2A + tan^4A

= R.H.S

hence proved