Question

6. Prove that
1-sin 0/
1 + sin0
(sec 0 - tan 0)2​

Answer 1

Step-by-step explanation:

(1-sin)/(1+sin)

(1-sin)/(1+sin) ×(1-sin)/(1-sin)

(1-sin)²/1-sin²

(1+sin²-2sin)/cos²

1/cos²+sin²/cos²-2sin/cos²

sec²+tan²-2(sin/cos)(1/cos)

sec²+tan²-2tan•sec

(sec-tan)²

#666