Question

please help ................​

Answer 1

Answer:

Given:

The equation is,

Sec⁴∅-sec²∅=tan⁴∅+tan²∅

Identity used:

Sec²A-tan²A=1

Solution:

It is given that,

From the equation,

Take LHS,

=sec⁴∅-sec²∅

=sec²∅(sec²∅-1)

From the identity,

=sec²∅(tan²∅)

=(tan²∅+1)tan²∅

=tan⁴∅+tan²∅

So, LHS=RHS

Step-by-step explanation:

Hope it helps you......