Question

a) Find the value of: 3/2 tan² 60 degree + 2/30 + 3/5 tan² 30 degree
​

Answer 1

Answer:

We have,

2sin30

∘

cos30

∘

+tan45

∘

5sin

2

30

∘

+cos

2

45

∘

−4tan

2

30

∘

=

2×

2

1

×

2

3

+1

5×(

2

1

)

2

+(

2

1

)

2

−4×(

3

1

)

2

=

2

3

+1

4

5

+

2

1

−

3

4

=

2

3

+2

12

5

=

12

5

×

(

3

+2)

2

=

6(2+

3

)

5