Math, asked by brimsonsangma191, 1 month ago

Eveluate.
cos²42⁰-sin²48⁰

Answers

Answered by ItzDvilJatin2

20

=Cos²42⁰-Sin²48⁰

=Sin²(90⁰-A) - Sin²48⁰

=Sin²48⁰-Sin²48⁰

=0

Answered by trainerash043

0

Answer:

ndmdkdkrlrlrlrlrlrpleelelleele

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