Question

(Sin 65 + cos 25)(Sin 25 + cos 65)

Answer 1

Step-by-step explanation:

=(sin65°+cos25°)(sin(90-25))(cos(90-65))

=(sin65°+cos25°)(sin65°+cos25°)

=(sin65°)^2+(cos25°)^2

by identity

sinA^2+cosA^2=1

=1

Answer 2

Answer:

here is your answer

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