Math, asked by yes49033, 1 month ago

(
2 − 2 + 1) = 222 cos 2​

Answers

Answered by writetopush
0

Answer:

Step-by-step explanation:

(  

cos  

2

22+cos  

2

68

sin  

2

22+sin  

2

68

+sin  

2

63+cos63sin27)

={  

cos  

2

(90−68)+cos  

2

68

sin  

2

(90−68)+sin  

2

68

+sin  

2

63+cos63sin(90−63)}

={  

sin  

2

68+cos  

2

68

cos  

2

68+sin  

2

68

+sin  

2

63+cos63cos63}

=(1+sin  

2

63+cos  

2

63)

=1+1

=2

Answered by devindersaroha43
9

Answer:

Step-by-step explanation:

(  

cos  

2

22+cos  

2

68

sin  

2

22+sin  

2

68

+sin  

2

63+cos63sin27)

={  

cos  

2

(90−68)+cos  

2

68

sin  

2

(90−68)+sin  

2

68

+sin  

2

63+cos63sin(90−63)}

={  

sin  

2

68+cos  

2

68

cos  

2

68+sin  

2

68

+sin  

2

63+cos63cos63}

=(1+sin  

2

63+cos  

2

63)

=1+1

=2

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