Question

Find the value of: cos2

300 + sin30

0 + tan2

450 + cot2

450
​

Answer 1

Answer:

sin

2

60

0

cos

2

30

0

+tan45

0

cos60

0

sin30

0

=sin

2

60

0

sin

2

60

0

+(1)cos

2

60

0

=sin

4

60

0

+cos

2

60

0

Substituting the values of sin60

0

and cos60

0

we get

(

2

3

)

2

+(

2

1

)

2

=

16

3

+

4

1

=

16

13

Hence answer is A

Step-by-step explanation:

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Answer 2

Answer:

The answer is 13/4

Step-by-step explanation:

3/4 + 1/2 + 1 + 1

13/4