Simplify Trig Identity

Simplify

• -1

• sin θ

• csc θ

• 1

Simplify this to a basic trigonometry function:
tan(x)csc(x) 

• tanx

• secx

• cotx

• cscx

What could be our first strategy to simplify the left side? (a)  

• Rewrite into sines and cosines

• Combine fractions

• factor common factor

• multiply by the conjugate

Which of the following would be a step to prove the following identity?

• (1/ sin x) - (1 / cos x)

• (cos x - sin x) / ( sin x)

• (cos x - sin x) / (cos x)

• (1/ sin x cos x)

• cos

• sec

• csc

• tan

• cot

• sin

• sec²(x)

• sin²(x)

• cos(x)

• tan²(x)

• cot(x)

• csc²(x)

• sin

• cos

• sec

• csc

• tan

• cot

Simplify the trig expression.

• 1
• -tanx
• -1
• tanx

• (cos/sin)(sin/cos)

• cos

• sin

• (sin/cos)(cos/sin)

What could be our first strategy to simplify the right side? (a)  

• Rewrite into sines and cosines

• Combine fractions

• factor common factor

• multiply by the conjugate

• Use a Pythagorean Identity