Question

Find the value of: cos2 30° + sin 30° + tan2 45° + cot2 45°​

Answer 1

Answer:

We know, tan45

∘

=1,cos30=

2

3

,sin45

∘

=

2

1

,cos45

∘

=

2

1

Now, tan

2

45

o

−cos

2

30

o

=xsin45

0

cos45

o

⇒1−

4

3

=x×

2

1

×

2

1

=>1−

4

3

=x×

2

1

⇒

4

1

=

2

x

, ⇒x=

4

2

=

2

Step-by-step explanation:

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