Question

if Sin A + sin square A is equal to 1 then the value of cos square A + cos quad A is what​

Answer 1

Answer:

(1-sin^2A)(1+sinA)

Step-by-step explanation:

given,

sinA+sin^2A=1

cos^2A+cos^4A=cos^2A(1+cos^2).

=(1-sin^2)(sinA+sin^2A+cos^2A).

=(1-sin^2)(1+sinA)