Monday

July 28, 2014

July 28, 2014

Posted by **Michael** on Wednesday, January 12, 2011 at 8:03pm.

Solve:

1) sinx-tanx=0

2) 3csc^2x=4

Find all solutions within (0,2pi)

3) cos4x(cosx-1)=0

4) cos4x-7cos2x=8

Use inverse functions where necessary to find solutions from 0 to 2pi

5) sin^2x-2sinx=0

Find the exact value of the tangent of the angle

6) (25pi)/12=(11pi)/6+(pi/4)

**Related Questions**

Trigonometry Check - Simplify #3: [cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [...

maths - trigonometry - I've asked about this same question before, and someone ...

Pre-Calc - Trigonometric Identities Prove: (tanx + secx -1)/(tanx - secx + 1)= ...

Math - How do I solve this? tan^2x= 2tanxsinx My work so far: tan^2x - 2tanxsinx...

Trigonometry. - ( tanx/1-cotx )+ (cotx/1-tanx)= (1+secxcscx) Good one! ...

Pre-Calculus - Find all solutions to the equation in the interval [0, 2pi) cos4x...

Mathematics - Trigonometric Identities - Prove: (tanx)(sinx) / (tanx) + (sinx...

math trig identities - a)cos4x-sin4xcot2x=-1 b)1+sinx+cosx/1+sinx-cosx=cot(x/2) ...

Math - Can I please get some help on these questions: 1. How many solutions does...

Trigonometry - Simplify #1: cscx(sin^2x+cos^2xtanx)/sinx+cosx = cscx((1)tanx)/...