Question

evaluate cosec 31°- sec 59°
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Answer 1

Step-by-step explanation:

cosec31o −sec59o

⇒ cosec(90o−59o)−sec59 o

⇒ sec59−sec59o

[ Since cosec(90 −θ)=secθ ]

⇒ 0

∴ cosec31

o −sec59 o

=0