Saturday

January 31, 2015

January 31, 2015

Posted by **lindsay** on Tuesday, April 2, 2013 at 2:56pm.

Find the exact value of [sin^2(355 degrees) + cos^2 (355 degrees)]/ tan^2 (30 degrees)

- math -
**Anonymous**, Tuesday, April 2, 2013 at 6:21pmsin^2 + cos^2 = 1, so you have

1/tan^2(30) = 1/3

for the other, plug in the values. recall that 1-csc^2 = -cot^2, so the bottom is just -1

**Answer this Question**

**Related Questions**

Algebra II - Multiple Choice (theta) means the symbol 0 with the dash in it. 1.)...

Math - 1. Find the value of Sin^-1(-1/2) a. -30 degrees b. 30 degrees c. 150 ...

Trigonometry - Please review and tell me if i did something wrong. Find the ...

math - Find the exact value of 1. tan 75 degrees 2. Cos 15 degrees 3. Sin 105 ...

Calculus - Find the exact values of the following. cos 270 degrees = 90 degrees...

Trig - What is the exact value of cos 40 degrees cos 50 degrees minus sin 40 ...

Trig hep, please? Thank you! - 1. Find the exact value of sin(195(degrees)) 2. ...

trig math 30 - Find the exact value of cos 8 degrees cos 38 degrees + sin 8 ...

Trigonometry - use the appropriate trig identity (sum and difference, half angle...

math - 1)In triangle ABC, C=60 degrees, a=12, and b=5. Find c. A)109.0 B)10.4 C)...