If `sintheta+sin^2theta=1` , then `cos^2theta+cos^4theta`=? (a)-1 (b)0 (c)1 (d)2

If sintheta+sin^2theta=1 , prove that cos^2theta+cos^4theta=1

If sintheta+sin^2theta=1 , then cos^2theta+cos^4theta= (a) -1 (b) 1 (c) 0 (d) None of these

If sintheta+sin^(2)theta = 1 then cos^(2)theta+cos^(4)theta is equal to :

If sintheta+sin^(2)theta=1 , then prove that cos^(12)theta+3cos^(10)theta+3cos^(8)theta+cos^(6)theta-1=0

If sintheta+sin^(2)theta=1 , then find value of cos^(12)theta+3cos^(10)theta+3cos^(8)theta+cos^(6)theta-1

If sintheta+sin^2theta=1, then prove that cos^(12)theta+3cos^(10)theta+3cos^8theta+cos^6theta-1=0 Given that sintheta=1-sin^2theta=1-sin^2theta=cos^2theta

If sintheta+sin^2theta+sin^3theta=1, then prove that cos^6theta-4cos^4theta+8cos^2theta=4

If cos theta+cos^(2)theta=1 , the value of sin^(2)theta+sin^(4)theta is

If sintheta+sin^2theta=1, then prove that cos^(12)theta+3cos^(10) theta+3cos^8theta+cos^6theta-1=0

If sintheta+sin^2theta=1 ,find the value of cos^(12)theta+3cos^(10)theta+3cos^8theta+cos^6theta+2cos^4theta+2cos^2theta-2