Question

Prove that (tan²0-sin²O) = tan’²Osin​²0​

Answer 1

Hi there !!

Identity used {0 = thetha}

• 1/cos²0 = sec²0

• tan²0 = sin²0/cos²0

• sec²0 -1 = tan²0

Look at the attachment. ↑

Thankyou :)