exam Maths Puzzle Numerical Ability

Find secӨ if sinӨ=-4/5 and 270º<Ө<360º.

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3^(&#8730;2)


please help me solve this

thank you! I am trying to get some help on polynomials for my Algebra class. I wanted to ask if you could answer me about if there is a section where problems are step-by-step laid out with explanations.

Thank you very much