ʜᴏʟᴀ ⚡
ɪꜰ 1 + sin2 = 3 ꜱɪɴ ᴄᴏꜱ , ᴛʜᴇɴ ᴘʀᴏᴠᴇ ᴛʜᴀᴛ ᴛᴀɴ = 1 or ᴛᴀɴ = ½.
ᴅᴏɴᴛ ꜱᴘᴀᴍ ɪᴛꜱ ᴜʀɢᴇɴᴛ !
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Answer:
dydx=f′(z)dzdxwherez=2x−1x2+1
=sinz2.(x2+1)2−(2x−1)2x(x2+1)2
=sin(2x−1x2+1)2.2+2x−2x2(x2+1)2
Explanation:
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