Sunday

March 29, 2015

March 29, 2015

Posted by **Anonymous** on Friday, July 13, 2012 at 10:00pm.

5csc^2theta-3cot^2theta=2csc^2theta+3

- trig -
**Reiny**, Friday, July 13, 2012 at 11:30pm5 csc^2 Ø - 3cot^2 Ø = 2csc^2 Ø + 3

LS = 5/sin^2 Ø - 3cos^2 Ø/sin^2 Ø

= (5 - 3cos^2 Ø)/sin^2 Ø

= (5 - 3(1 - sin^2 Ø) )/sin^2 Ø

= ( 2 + 3sin^2 Ø)/sin^2 Ø

= 2/sin^2 Ø + 3sin^2 Ø/sin^2 Ø

= 2csc^2 Ø + 3

= RS

**Answer this Question**

**Related Questions**

Math - sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),...

Precalc+trig - Solve tan(40/90) for the double angle cos(2theta). I know I use ...

Math - 1)Find cos theta if sin theta=3/5 and 90 degrees<theta<180 degrees...

Calculus - What is the integral of 1-tan^2theta from 0 to pi/3? Using the ...

math - There are no typos and no work b/c I don't know how to do them. Thanks. 1...

Math - There are no typos and no work b/c I don't know how to do them. Thanks. 1...

maths - if cot theta =7/8 , evaluate (1+sin^2theta)(1-sin^2theta)/(1+cost^2theta...

Math - sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),...

Math - Prove: [(tan^2theta+1)(cos^2theta-1)]=1-sec^2theta

Trig Identity - Prove or disprove the following identity sin^4theta - cos^4theta...