Math, asked by narsingyadav481, 9 months ago

sin2 48 degree + sin2 42 degree =1

Answers

Answered by darkcreativeclouds

3

Step-by-step explanation:

sin²48 + sin²42

sin²48 + sin²(90-48)

sin²48 + cos²48

(there is an identity Sin²A + Cos²A = 1)

therefore sin²48+cos²48 = 1

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