Math, asked by vinyvibhav3001, 10 months ago

Cosec square 30 sin square 45_ sec square 60

Answers

Answered by rajivrtp
1

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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