SOLUTION: How to find the exact values without a calculator?: 1/sin^2 33 degrees - 1/ tan^2 33 degrees. ?

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Question 449940: How to find the exact values without a calculator?:
1/sin^2 33 degrees - 1/ tan^2 33 degrees. ?
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

As cosec^2 @ - cot^2 @ = 1

so, 1/sin^2 33 degrees - 1/ tan^2 33 degrees

= cosec^2 33 - cot^2 33
= 1