Math, asked by shiraayshe123, 6 months ago

Cos^2(60°+A) + cos^2 (60°-A)​

Answers

Answered by shreyanshsriva29
1

Answer:

Correct option is

A

1

sin

2

60°+cos

2

60°=(

2

3

)

2

+(

2

1

)

2

4

3

+

4

1

=

4

4

=1

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