What is the sine of 0 degrees?

• 0.5

• 1

• -1

• 0

What is the cosine of 30 degrees?

• √2/2

• 0

• 1/2

• √3/2

What is the cosec of 45 degrees?

• 0

• 1

• √2

• 1.5

What is the sine of 90 degrees?

• 0

• 1.5

• -1

• 1

What is the cosine of 60 degrees?

• 0.5

• -0.5

• 0

• 1

What is the sec of 30 degrees?

• √3

• 2l√3

• 0.5

• 1

What is the sine of 60 degrees?

• √3/2

• -1

• 1

• 0.5

What is the cosine of 90 degrees?

• 0.5

• -1

• 0

• 1

If tan 45° = 1 and cot 45° = 1, find the value of: tan 45° x cot 45°

• √3

• 0

• 1

• √2

Answer explanation

tan 45° x cot 45° = 1 ×1=1

sin 30 deg = 1/2 and cos 30 deg = √3/2find the value of: sin 30 deg + cos 30 deg

• (1 + √3)/2

• -0.5

• -1

• 1

Answer explanation

sin 30 deg + cos 30 deg = 1/2 + √3/2 = (1 + √3/2