Question

2. If a, ß are suplimentary angles then
sin’a + cos² B is equal to
1) 0 2) 1
3) -1 4) 2​

Answer 1

Answer:

2) 1

Step-by-step explanation:

Given,

If a, B are suplimentary angles then sin^2a + cos^2B

sin^2a + cos^2B = 1.