# math

show that csc2 theta - tan2 (90 deg - theta) = sin2 theta + sin2 (90 deg - theta)

1. 👍 0
2. 👎 0
3. 👁 133

## Similar Questions

1. ### Mathamatics

Solve the following trigonometry identities. a) 1-cos2(theta) = sin(theta)cos(theta)/cot(theta) b) (1-cos2(theta))(1-tan2(theta))=sin2(theta)-2sin4(theta)/1-sin2(theta) *its supposed to be cos to the power of two, sin to the power

asked by ZoĆ« on May 28, 2014
2. ### math

knowing that 2(theta) can be written as theta + theta, find the expression for sin2(theta) and cos2(theta). Is it 2sin(theta)cos(theta)?

asked by Steve on March 31, 2013
3. ### Trig

Solve the following interval 0

asked by Kay on October 24, 2007
4. ### Physics

An object is shot at 20m/s at an angle theta. The object lands 24m away. What is the angle? Can you check if I am doing this right? I had v(initial) = 20 m/s g = 9.8 m/s^2 x = 24m 1st I solved for time: x = v(initial) t x =

asked by Dreskillz89 on September 22, 2009
5. ### Trig(continued)

2)Find the solution of sin2 theta = cos theta if 0 -< theta < 180 A)30 degrees and 90 degrees B)30 degrees and 150 degrees C)30 degrees, 90 degrees, 150 degrees D)0 degrees, 90 degrees, and 150 degrees sin2 theta = cos theta sin2

asked by Jon on February 15, 2008
6. ### Pre-Calc Help!!!!!!!!

Evaluate the expression under the given conditions. sin2(theta), sin(theta)=1/7(theta) in Q2

asked by Amanda on April 17, 2012
7. ### math

Thank You for taking the time to look at this. If x = 2cos^2(theta) and y = sin2(theta), show that (x -1)^2 + y^2=1

8. ### math

If sin theta=3/5, then find: 1. sin2 theta 2. cos2 theta

asked by nash on August 18, 2016
9. ### Precalculus check answers help!

1.) Find an expression equivalent to sec theta sin theta cot theta csc theta. tan theta csc theta sec theta ~ sin theta 2.) Find an expression equivalent to cos theta/sin theta . tan theta cot theta ~ sec theta csc theta 3.)

asked by Kelsey on May 30, 2012
10. ### Precalculus check answers help!

1.) Find an expression equivalent to sec theta sin theta cot theta csc theta. tan theta csc theta sec theta ~ sin theta 2.) Find an expression equivalent to cos theta/sin theta . tan theta cot theta ~ sec theta csc theta 3.)

asked by Kelsey on May 28, 2012

More Similar Questions