Question

Evaluate sin430°+ cos460° + sec2 60°.
PLEASE ANSWER IT FAST FRIENDS
ITS URGENT
SO PLEASE HELP ME OUT GUYS

Answer 1

Step-by-step explanation:

4 (sin

4

30+cos

4

60)−

3

2

(sin

2

60−cos

2

45)+

2

1

tan

2

60

=4[(

2

1

)

4

+(

2

1

)

4

]−

3

2

⎣

⎢

⎡

(

2

3

)

2

−(

2

1

)

2

⎦

⎥

⎤

+

2

1

×(

3

)

2

=4(

16

1

+

16

1

)+

3

2

(

4

3

−

2

1

)+

2

3

=4×

8

1

−

3

2

×

4

1

+

2

3

=

2

1

−

6

1

+

2

3

=

6

11