[1+sin][1-sin]=1/sec2
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Hey dear friend
[1+Sin][1-Sin]=1/sec²
By id. (a+b)(a-b)=a²-b²
=>1²-Sin²=1/sec²
By id. Sin²+Cos²=1
=>Cos²=1/sec²
=>1/sec²=1/sec²
As L.H.S.= R.H.S.
Hence Proved
Be PERFECTIONIST
hope it helps you mark me as brainliest and follow me
[1+Sin][1-Sin]=1/sec²
By id. (a+b)(a-b)=a²-b²
=>1²-Sin²=1/sec²
By id. Sin²+Cos²=1
=>Cos²=1/sec²
=>1/sec²=1/sec²
As L.H.S.= R.H.S.
Hence Proved
Be PERFECTIONIST
hope it helps you mark me as brainliest and follow me
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