Question

. If Sec2Ө (1-Sin Ө)(1+Sin Ө)=k ,

find the value of k.​

Answer 1

k = 1

Step-by-step explanation:

k = sec²∅ ( 1 - sin²∅) (a² - b²) = (a +b) (a -b)

k = sec² ∅ ( cos²∅)

k= 1/ cos²/∅ * cos²∅

k = 1

Answer 2

Answer:

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