Thursday

December 18, 2014

December 18, 2014

Posted by **Sangita** on Wednesday, March 28, 2012 at 8:37am.

A. sec2 θ

B. (csc 2 θ ) -1

C. tan 2 θ

D. sin 2 θ

E. –1/sin2 θ

- Trigonometry -
**Reiny**, Wednesday, March 28, 2012 at 8:41amyou must mean

(1 - cos^2 Ø) / cos^2 Ø

(the way you typed it, you would get 1-1 = 0 )

(1 - cos^2 Ø) / cos^2 Ø

= sin^2 Ø/cos^2 Ø

= tan^2 Ø

- Trigonometry -
**Sangita**, Wednesday, March 28, 2012 at 8:42amsorry, they're all squared θ not 2 θ

**Answer this Question**

**Related Questions**

Math - Calculus - The identity below is significant because it relates 3 ...

Trigonometry - There are four complex fourth roots to the number 4−4√...

Algebra 2/ Trigonometry - The expression oos² θ/sin θ + sin θ is ...

trigonometry - if cosθ=2/3 and tanθ<0 find the exact value sin(&#...

Trig - Given that csc θ = -4 and tan θ > 0, find the exact value of...

Trigonometry - Could someone please help me with the following q's I'm having ...

pre-calc help !!!!!!! - 1) cscθsinθ-sin^2θ 2)sinθcscθ/...

Complex angles - There are four complex fourth roots to the number 4−43&#...

trig - The terminal side of θ lies on a given line in the specified ...

math - if cosθ=2/3 and tanθ<0 find the exact value sin(θ-5&#...