Answer:
Step 1:
✔ Cofunction identity
Step 5:
✔ Sine difference identity
Step 6:
✔ Cofunction Identity
Step 7:
✔ Cosine function is even, sine function is odd.
Step-by-step explanation:
Answer:
Geometric
Step-by-step explanation:
r=1/3
The perimeter of the right angled triangle should be 36cm, hope this helps:)
