Prove that.. Sin^2A-cos^2A.cos^2B=sin^2B-cos^2B.cos2A
Answers
Answered by
0
it's yen Ken parkaren formula..
Attachments:
Answered by
0
Answer:
ᴜsᴇ ʏᴇɴ ᴋᴇɴ ᴘᴀʀᴋᴇɴ ғᴏʀᴍᴜʟᴀ ᴛᴏ sᴏʟᴠᴇ ᴛʜɪs.....,
Similar questions