Question

3. Value de s 30° + cos 60°.​

Answer 1

Step-by-step explanation:

Appropriate Question:

Find the value of (sin 30 + cos 60)

SOLUTION:

Answer: 1

Sin Values

sin 0° = √(0/4) = 0

sin 30° = √(1/4) = ½

sin 45° = √(2/4) = 1/√2

sin 60° = √3/4 = √3/2

cos 90° = √(4/4) = 1

Cos Values

cos 0° = √(4/4) = 1

cos 30° = √(3/4) = √3/2

cos 45° = √(2/4) = 1/√2

cos 60° = √(1/4) = 1/2

cos 90° = √(0/4) = 0

Substitute the value of sin 30o and cos 60o value we get

sin 30°+ cos 60°

= 1/2 + 1/2

= 1