Question

all formulas of trigonometry.​

Answer 1

Answer:

Sin (– θ) = – Sin θ

Cos (– θ) = Cos θ

Tan (– θ) =– Tan θ

Sec (– θ) = + Sec θ

Cot (– θ) = – Cot θ

Step-by-step explanation:

hope it's useful to u....

Answer 2

Hey your answer is in the given attachment

HOPE IT IS HELPFUL

#thank you#