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Question Number 164488 by mathlove last updated on 18/Jan/22

(1/(sin 30))−(cot 30)^4 −(cot 30)^2 =.... a)sin^2 30 b)(1/(sin 30)) c)2sin^2 30 d)(1/(sin^2 30))

1sin30−(cot30)4−(cot30)2=....a)sin230b)1sin30c)2sin230d)1sin230

Commented by cortano1 last updated on 18/Jan/22

= 2−((√3))^4 −((√3))^2 =2−9−3=−10

=2−(3)4−(3)2=2−9−3=−10

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