Question

if A = 30⁰; sin²A + cos²A = __________​

Answer 1

Answer:

ᴡᴇ ᴋɴᴏᴡ,ꜱɪɴ30=1/2 ᴀɴᴅ ᴄᴏꜱ30=√3/2

ᴛʜᴇʀᴇꜰᴏʀᴇ, (1/2)^2+(√3/2)^2

=1/4+3/4=1

Step-by-step explanation:

yᴏᴜʀ ᴀɴꜱᴡᴇʀ ɪꜱ 1

Answer 2

Answer:

sin²A + cos²A = 1 by identity or by solution also

Step-by-step explanation:

see the attachment

hope it is helpful