(sin 72 +cos18 ) (sin72-cos18)=0
Answers
Answered by
26
(Sin 72 +cos 18) (sin 72 - cos 18) =0
[Sin 72 + cos 18] [Sin 72 - cos (90-72)]
[Sin 72 +cos 18] [Sin 72 - Sin 72]
[Sin 72 +cos 18] [ 0]
[Sin 72 +cos 18] × 0
= 0
[Sin 72 + cos 18] [Sin 72 - cos (90-72)]
[Sin 72 +cos 18] [Sin 72 - Sin 72]
[Sin 72 +cos 18] [ 0]
[Sin 72 +cos 18] × 0
= 0
Answered by
5
Answer:
nice super good...........
Similar questions
Computer Science,
7 months ago
English,
7 months ago