sin(270-a) cos(270+a) tan(90+a) cot(90-a) sec(180-a) cosec (180+a)=1
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Answer:
pi
Step-by-step explanation:
3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679
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6
answer is explained completely in the above picturr
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