Math, asked by meetpuniyani7, 2 months ago

Find the value of 2sin2

30 + cos2
60​

Answers

Answered by vikashpatnaik2009
0

Answer:

Given 2sin  

2

30  

−3cos  

2

45  

+tan  

2

60  

 

=2(  

2

1

​  

)  

2

−3(  

2

​  

 

1

​  

)  

2

+(  

3

​  

)  

2

      [∵cos45  

=  

2

​  

 

1

​  

,sin30  

=  

2

1

​  

,tan60  

=  

3

​  

]

=  

4

2

​  

−  

2

3

​  

+3

=  

2

1

​  

−  

2

3

​  

+  

2

3×2

​  

 

=  

2

1

​  

−  

2

3

​  

+  

2

6

​  

 

=  

2

4

​  

 

=2

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