Question

$solve = >$

cosec²30°- sin²45°+ sec²60°


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Answer 1

Step-by-step explanation:

cosec 30°= 2

sin 45° = 1/ √2

sec 60° = 2

cosec²30°- sin²45°+ sec²60°= (2) ² -( 1/√2) ² + (2) ²

= 4-1/2+ 4

= 8-1+8/2

=15/2

so answer is 15/2

hope it helps

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Answer 2

Answer: bro..malayali ano???

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cosec 30°= 2

sin 45° = 1/ √2

sec 60° = 2

cosec²30°- sin²45°+ sec²60°= (2) ² -( 1/√2) ² + (2) ²

= 4-1/2+ 4

= 8-1+8/2

=15/2

so answer is 15/2