2. Show that (1) tan 48° tan 16° tan 42° tan 74° = 1 (ii cos36° cos 54º - sin36º sin 54°=0.

asked Jul 8, 2022 156k views

20 votes

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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10 votes

Step-by-step explanation:

this question is from which grade or class

Danno answered Jul 13, 2022

by Danno

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