Cosec square 30 sin square 45_ sec square 60
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CORRECT QUESTION:- find the value of
cosec²30sin²45-sec²60
Step-by-step explanation:
cosec²30sin²45-sec²60
= ( 2)²× (√2)² - (2/√3)²
= 4×2-4/3
= 8 - 4/3
= (8×3 - 4) / 3
= 20/3
= 6 integer 2/3 is the ans
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