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MOHAMMEDMUZAMMIL MOHAMMEDMUZAMMIL
  • 27-02-2021
  • Health
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2.
Show that
(1)
tan 48° tan 16° tan 42° tan 74° = 1
(ii
cos36° cos 54º - sin36º sin 54°=0.​

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Аноним Аноним
  • 27-02-2021

Explanation:

this question is from which grade or class

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