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IF SIN THETA+COSEC THETA=2 THEN FIND SIN 2 THETA+COSEC 2 THETA=?

IF SIN THETA+COSEC THETA=2 THEN FIND 
SIN2THETA+COSEC2THETA=?

Grade:10

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4405 Points
2 years ago
only possible when sin (thetha)==cosec (thetha)=1 that means thetha = 90 degree
then sin2thetha+cosec2thetha=1+1=2

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