Question

Answer the following
cos 50°= sin___°
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Answer 1

Step-by-step explanation:

sin 50 is a right answer

Answer 2

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$\longrightarrow$ cos 50° = ?

$\longrightarrow$ cos ( 90° -  θ ) = sin  θ

$\longrightarrow$ cos ( 90° - 50° ) = sin 50° ( where  θ = 50°)