Question

Please answer this question​

Answer 1

Answer:

Step-by-step explanation:

≈(Tan@+sec@)2+(tan@-sec@)2

≈tan²@+sec²@+2tan@sec@+tan²@+

Sec²@-2sec@tan@

≈2tan²@+2sec²@

≈2[sin²@/cos²@]+2[1/cos²@]

≈(2sin²@+2)/(cos²@)

≈2(sin²@+1)/(cos²@)

HENCE PROVED