Question

8. Evaluate: sec20- tan2 0​

Answer 1

Answer:

is equal to 1....... just put relation of p, h, b in this and get this

Answer 2

$\huge\tt\colorbox{green}{Answer}$

Sec²θ - tan²θ = 1

This formula can also written as

• tan²θ = Sec²θ - 1
• Sec²θ = 1 + tan²θ