Question

evaluate (tan^2 30°×sin 30°)+cos60°×sin^2 90°×tan^2 60°×2tan 45°×cos^2theta×sin 90°​

Answer 1

Answer:

tan

2

30°.sin30°+cos60°.sin

2

90°tan

2

60°−2tan45°.cos

2

0°.sin90°

=(

3

1

)

2

.

2

1

+

2

1

×1×(

3

)

2

−2×1×1×1

=

6

1

+

2

3

−2

=

6

1+9−12

=

6

−2

=

3

−1

Hence, the answer is

3

−1

.