Question

The expression of (1-tanΦ)² + (1 -cotΦ)²
(a) (sec Φ-cosec Φ)²
(b)(sec Φ + cosecΦ )²
(c)(tanΦ+ cotΦ)
(d) None of these​

Answer 1

Answer:

ans (a)

Step-by-step explanation:

the Answer is (a)