without using trignometric table ,find value of cos 70/sin 20 + cos 57 cosec 33 - 2 cos 60
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hey your answer is= 1
cos70/cos70+cos57.sec57-2×1/2
=1
cos70/cos70+cos57.sec57-2×1/2
=1
neha382:
but how
hey you can check. i have edited answer.
plz mark as brainliest.
ok
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