Question

if A,B are supplementary angles then sin^2 A + sin^2 B​

Answer 1

Answer:

By what rational number should the sum of 18/5 and -7/15 be devided to get 47/6 ?

Step-by-step explanation:

By what rational number should the sum of 18/5 and -7/15 be devided to get 47/6 ?z

Answer 2

Answer:

A+B=180

A=180-B

sin²A+sin²B

sin²(180-B)+sin²B

sin²B+sin²B

2sin²B

similarly if we substitute B=180-A

then we get 2sin²A