sin 18° .cos 36° - sin75° .cos75°=?
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ʜᴇʏᴀ!!
ʜᴇʀᴇ's ʏᴏᴜʀ ᴀɴsᴡᴇʀ
_______________________
sɪɴ 18° × ᴄᴏs 36° - sɪɴ 75° × ᴄᴏs 75°
= 1 / ᴄᴏs 18° × ᴄᴏs 36° - 1 / ᴄᴏs 75° × ᴄᴏs 75°
= 2 - 1
= 1
______________________
ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ʏᴏᴜ ᴅᴇᴀʀ! :)
# ᴅᴇᴠɪʟ ᴋɪɴɢ
ʜᴇʀᴇ's ʏᴏᴜʀ ᴀɴsᴡᴇʀ
_______________________
sɪɴ 18° × ᴄᴏs 36° - sɪɴ 75° × ᴄᴏs 75°
= 1 / ᴄᴏs 18° × ᴄᴏs 36° - 1 / ᴄᴏs 75° × ᴄᴏs 75°
= 2 - 1
= 1
______________________
ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ʏᴏᴜ ᴅᴇᴀʀ! :)
# ᴅᴇᴠɪʟ ᴋɪɴɢ
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