Sunday

March 1, 2015

March 1, 2015

Posted by **Steve** on Thursday, December 17, 2009 at 9:31pm.

2 cosx + sqrt2 = 0

A) x = ð/4 + 2nð or x = 7ð/4 + 2nð

B) x = 3ð/4 + 2nð or x = 5ð/4 + 2nð

C) x = ð/4 + nð or x = 7ð/4 + nð

D) x = 3ð/4 + nð or x = 5ð/4 + nð

- trig -
**bob**, Thursday, April 24, 2014 at 7:22pmthis is in 3 grade?

**Answer this Question**

**Related Questions**

trig - Find all solutions of the equation: cot x sec x = 2 cot x. A) x = 2ð/3 + ...

math - 1. unite similar terms with parenthesis. x=2 y=-3 and z=5 find the value ...

trig - Find all solutions of the equation 2sin^2x-cosx=1 in the interval [0,2pi...

identities trig? - find all solutions to the equation in the interval [0,2pie] ...

Calculus - Q: If y=sinx/(1+tanx), find value of x not greater than pi, ...

trig - how do you solve 2nd cos 6/11 (my calculator doesn't have 2nd function0

TRIGONOMETRY - Can someone please show me step by step solutions? I'd appreciate...

Precalculus - Given: f(x) = X^2-x evaluate: f(sqrt2 + 3) I have worked out this ...

Math 8R - Help!!!!!!!! - The expression 2(8a to the 2nd power + a - 1) + 3(a + 3...

trig - find all solutions of 2sinx=1-cosx in the interval from 0 to 360