answer to be brainlist plz..it is urgent
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(4)..cosx/1-sinx + cosx/1+sinx
; cosx (1+sinx)+cosx (1-sinx)/1-sin^2x
; cosx+sinx+cosx-sinx/cos^2x
;2cosx/cosx×cosx
;2×1/cosx
;2secx=RHS
; cosx (1+sinx)+cosx (1-sinx)/1-sin^2x
; cosx+sinx+cosx-sinx/cos^2x
;2cosx/cosx×cosx
;2×1/cosx
;2secx=RHS
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please mark as branliest
(4)..cosx/1-sinx + cosx/1+sinx
; cosx (1+sinx)+cosx (1-sinx)/1-sin^2x
; cosx+sinx+cosx-sinx/cos^2x
;2cosx/cosx×cosx
;2×1/cosx
;2secx=RHS
(4)..cosx/1-sinx + cosx/1+sinx
; cosx (1+sinx)+cosx (1-sinx)/1-sin^2x
; cosx+sinx+cosx-sinx/cos^2x
;2cosx/cosx×cosx
;2×1/cosx
;2secx=RHS
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