Math, asked by sanskarsharma148, 2 months ago

15. If cos (40° + x) = sin 30° then the value of x is

Answers

Answered by kbhumi2004

1

Answer:

cos(40+x) = sin 30

cos(40+x) = cos(90-30)

cos(40+x) = cos60

40 + x = 60

x = 60 - 40

x = 20degree

Step-by-step explanation:

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