Math, asked by hemalatay79, 6 months ago

Find the value of : sec square 30 + cosec square 30 - 1/2 tan square 45 -8 sin square 90

Answers

Answered by Anonymous

6

Step-by-step explanation:

sec^2(30)+ cosec^2(30)-1/2tan^2(45)-8sin^2(90)

4/3+4-1/2-1

23/6

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