Question

Ex. 11. Verify:
(i) sin’0 + cos² 0 = 1 if 0 = 30°;​

Answer 1

Answer:

sin ∅ + cos² ∅ ≠ 1

Step-by-step explanation:

sin∅ = 30 =1/2

cos∅ = 30 =√3/2

1/2+(√3/2)²= 1

1/2+3/4 = 1

5/4 ≠ 1

hence,

sin ∅ + cos² ∅ ≠ 1