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Evaluate : 1/cos 2 30 degree+1/sin2 30 degree -1/2 tan2 -8sin2 90 degree​

Answer»

ong>Answer:

evaluate : 1/cos 2 30 degree+1/sin2 30 degree -1/2 tan2 -8SIN2 90 degree

Step-by-step EXPLANATION:

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