3. Show that:
(1) tan 10° tan 15° tan 75º tan 80º = 1
(i) sin 42° sec 48° + cos 42° cosec 48° = 2
Answers
Answered by
1
Answer:
i am sorry for no answers
Similar questions
Accountancy,
1 month ago
Science,
4 months ago
Science,
4 months ago
Math,
10 months ago
English,
10 months ago