Question

2sin 30⁰+cos 90⁰+3sin 90⁰​

Answer 1

Answer:

1

Step-by-step explanation:

2sin(30)+cos(90)+3cos(90)

Get the value of sin(30) from trigonometric values table.

2×(  

2

1

​  

)+cos(90)+3cos(90)

Multiply 2 and  

2

1

​  

 to get 1.

1+cos(90)+3cos(90)

Get the value of cos(90) from trigonometric values table.

1+0+3cos(90)

Add 1 and 0 to get 1.

1+3cos(90)

Get the value of cos(90) from trigonometric values table.

1+3×0

Multiply 3 and 0 to get 0.

1+0

Add 1 and 0 to get 1.

1