Math, asked by lalrinnunga70, 7 months ago

find the value of Sec 150° in trigonometric class 11

Answers

Answered by aishwarya44569

1

Answer:

-2

Step-by-step explanation:

sec 150° = 1/cos 150

= 1/cos(180-30)

= -1/cos 30

=-1/1/2 =-2

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