Tuesday
October 21, 2014

Homework Help: Pre-Calculus

Posted by Peter on Tuesday, July 31, 2012 at 8:50pm.

If θ represents an angle such that sin2θ = tanθ - cos2θ, then sin θ - cosθ =

A. -√2
B. 0
C. 1
D. 2√2

What equation can I use to solve this problem?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math - Calculus - The identity below is significant because it relates 3 ...
trigonometry - if cosθ=2/3 and tanθ<0 find the exact value sin(&#...
math - if cosθ=2/3 and tanθ<0 find the exact value sin(θ-5&#...
math trigono - 1. If tanθ = √3 , what is the value of cot ? 2. ...
Trigonometry - Which of the following is equivalent to 1 − cos 2 θ/...
Math (Trigonometry) - θ is an acute angle such that tan(θ)=1/4. What ...
Math (Trigonometry) - θ is an acute angle such that tan(θ) = 12. What ...
trig - An object Is propelled upward at an angle θ, 45 < θ<90...
Trigonometry - There are four complex fourth roots to the number 4−4√...
trigonometry - given tanθ= -2√10/3 and π/2<θ< π ...

Search
Members