Question

if sec thita +tan thita =7 then sec thita - tan thita = ?​

Answer 1

Answer:

Step-by-step explanation:

If sec thita +tan thita =7

we know that

 sec ^2 thita - tan^2 thita = 1

then (sec thita +tan thita)(sec thita - tan thita) = 1

then sec thita - tan thita = 1/7