Question

Find the value of (2sin 45 degrees)/(cos 31 degrees)
​

Answer 1

2sin45

o

cos15

o

=sin(45

o

+15

o

)+sin(45

o

−15

o

)

=sin60

o

+sin30

o

=

2

3

+

2

1

=

2

3

+1

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