Question

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Evaluate,class 11
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Answer 1

ஜ۩۞۩ஜ[ welcome to the concept of Trigonometry ]ஜ۩۞۩ஜ

sin ( -1125)

= - sin(1125) [ sin(-x) = -sinx ]

= - sin (3×360+45)

= -sin 45

= -1/√2

I hope it help you ❤️

Answer 2

Answer:

sin(-1125) = -sin45 = -1/√2