Question

tan²50°- Sec² 50° is equal to​

Answer 1

Step-by-step explanation:

tnk-jqip-mee

come here

Answer 2

Answer:

-1

Step-by-step explanation:

First change the the tan into Sin/Cos and change the sec into 1/Cos

then,

Sin²50/Cos²50 - 1/cos²50

So, u will remaining with

sin²50 - 1/ cos²50

now use identity (-cos²x=sin²x - 1)

so, -cos²50/cos²50

=> -1