Trigonometry

Simplify. (secx-1)(secx+1)

• tan²x
• sinx
• cot²x
• cosx

Please select the correct solution tan ² x - sec ² x =

• sec ² x - 1

• -1

• 1

• 1 - csc ² x

Simplify.

• sin²θ
• cosθ
• tanθ
• 1- sin²θ

Simplify.

• csc²θ
• sec²θ
• cscθ
• 1

Simplify.

• sinθ
• cot²θ
• tan²θ
• cos²θ

Simplify.

• secθ
• cos²θ
• sin²θ
• sin²θ/cos²θ

Simplify.

• sinθ
• cos²θ
• sin²θ
• 1- sin²θ

Simplify.

• sin x
• cos x
• tan x
• 1

Please select the correct solution csc ² x - cot ² x=  

• sec ² x - 1
• 1
• sec ² x
• csc ² x - 1

Please select the correct solution cot ² x + 1 =  

• sec ² x - 1
• 1
• sec ² x
• csc ² x