Question

1/2 [ tan²60° cosec²45°+ sec°45°sin30° express using known numerical value of trigonometric ratios ​

Answer 1

Answer:

values of :-

tan 60 degree =√3

cosec 45 degree =1/√2

sec 45 degree =√3

sin 30 degree =1/2

solution

1/2(3×1/2+3×1/4)

1/2(3/2+3/4)

1/2(6+3/4)

1/2×9/4

9/8

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