if sec ^2 ø (1+sin ø) (1-sin ø) = K. find the value of K
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Hello !
k = sec²o(1+sino)(1-sino)
K = 1/cos²o (1+sino)(1-sino) ...,............... as sec²o = 1/cos²o
K = 1/1-sin²o(1+sino)(1-sino) ................... as cos²o = 1-sin²o
K = 1/(1+sino)(1-sino)[(1+sino)(1-sino) ....... 1-sin²o = (1+sino)(1-sino)
hence, k = 1.
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