Question

Cos3 0 + Sin3 0/Cos 0 + sin 0 +
Cos2 0 - Sin3 0/ Cos0-Sin0 = 2​

Answer 1

Step-by-step explanation:

cos0

o

+sin45

o

+sin30

o

)(sin90

o

−cos45

o

+cos60

o

)

=(1+

2

1

+

2

1

)(1−

2

1

+

2

1

)

=(1+

2

1

+

2

1

)(1+

2

1

−

2

1

)

=(

2

3

+

2

1

)(

2

3

−

2

1

)

=(

2

3

)

2

−(

2

1

)

2

=

4

9

−

2

1

=

4

7