prove the above, trigonometry.
please do by cross multiplication
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Hence proved... I hope the answer helped you....
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Step-by-step explanation:
by cross multiplication
cos0(1+sin0)+cos0 (1-sin0)/1-sin²0
=cos0+sin0cos0+cos0-sin0cos/cos²0
=2cos0/cos²0
=2/cos0
=2sec0
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