Laleham says Cosec 31-Sec59=0 do you agree with lalitha verify ot
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cosec31
o
−sec59
o
⇒ cosec(90
o
−59
o
)−sec59
o
⇒ sec59
o
−sec59
o
[ Since cosec(90
o
−θ)=secθ ]
⇒ 0
∴ cosec31
o
−sec59
o
=0
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