Math, asked by Malembi7395, 1 year ago

Find the values of the following:
(a) sec 240°
(b) sec 510°
(c) sec (-855°)

Answers

Answered by siddharth4133

41629393516293291662933632820383

Answered by prerna101

Step-by-step explanation:

sec(240)= 1/cos240

= 1/cos(180+60)

= 1/cos180.cos60-sin180.sin60

= 1/-1×1/2-0

= 1/-1/2

= -2

therefore ,

sec240= -2

I hope this will helpful

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