Question

sin 18° .cos 36° - sin75° .cos75°=?

Answer 1

Hey friend ..!! here's your answer
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$\sin(18) \times \cos(36) - \sin(75) \times \cos(75) \\ \\ \frac{1}{ \cos(18) } \times \cos(36) - \frac{1}{cos(75)} \times \cos(75 \\ \\ 2 -1 \\ \\ 1$


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#Hope its help

Answer 2

ʜᴇʏᴀ!!

ʜᴇʀᴇ's ʏᴏᴜʀ ᴀɴsᴡᴇʀ

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sɪɴ 18° × ᴄᴏs 36° - sɪɴ 75° × ᴄᴏs 75° 

= 1 / ᴄᴏs 18° × ᴄᴏs 36° - 1 / ᴄᴏs 75° × ᴄᴏs 75°

= 2 - 1

= 1

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ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ʏᴏᴜ ᴅᴇᴀʀ! :)

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