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

=1