Question

if sin∅ + sin^2∅ = 1, prove that cos^2 + sin^4∅ = 1​

Answer 1

Step-by-step explanation:

sinø+sin²ø=1

sinø+1-cos²ø=1

sinø=cos²ø .......(1)

cos²ø+cos⁴ø

=sinø+sin²ø[frm (1)]

=1