Q. 48 E5.0( 2 Votes )

# Evaluate the followingsec41° sin49° + cos49° cosec 41°

We know that

sec θ = cosec (90° - θ) and cos θ = sin (90° - θ)

Cosec (90° – 41°) sin 49° + sin (90° – 49°) cosec 41°

= cosec 49° sin 49° + sin 41° cosec 41°

= 1+ 1

= 2

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