SOLUTION: Find the exact value of the given expression (using half-angle or double-angle identities) sin15°cos15°

Algebra.Com
Question 1160122: Find the exact value of the given expression (using half-angle or double-angle identities)
sin15°cos15°

Found 2 solutions by MathLover1, MathTherapy:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

using Half-Angle Identities

......




.......



}
}
}
}
}



Answer by MathTherapy(10555)   (Show Source): You can put this solution on YOUR website!
Find the exact value of the given expression (using half-angle or double-angle identities)
sin15°cos15°
This is so, so SIMPLE! Unless of course, you prefer TORTURE, then you can go with the other person!
Use the IDENTITY:

RELATED QUESTIONS

find the exact value of sin(3pi/12) using the double-angle identities (answered by jim_thompson5910)
Use the half-angle identities to find the exact value of the trigonometric expression. (answered by Alan3354)
Find the exact value of the following. cos60°cos15° +... (answered by Boreal)
Using the half angle identities find the exact value of sin... (answered by lwsshak3)
using sum, difference, half, or double angle formulas and the exact value chart in the... (answered by venugopalramana)
How to find the exact value of the angle 67.5 using half-angle identities? It says for... (answered by lwsshak3)
Without using tables find the values of (a) (tan69° + tan66°)/(1 - tan69°tan66°)... (answered by ikleyn)
find the exact value using the sum, difference, half, or double angle formulas and the... (answered by longjonsilver)
what is the exact value of sin 22.5 degrees using the sum, difference, half, or double... (answered by venugopalramana)