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Popular >

2sin(75)cos(75)

Solution

2 sin (7 5^{\circ}) cos (7 5^{\circ})

Solution

\frac{1}{2}

+1

Solution steps

2 sin (7 5^{\circ}) cos (7 5^{\circ})

Rewrite using trig identities:

sin (15 0^{\circ})

= sin (15 0^{\circ})

Use the following trivial identity:

sin (15 0^{\circ}) = \frac{1}{2}

= \frac{1}{2}

Popular Examples

cos^{4} (\frac{π}{4})

sec (- 33 0^{\circ})

arcsin(sin((9pi)/8))

arcsin (sin (\frac{9 π}{8}))

cos(arctan((sqrt(3))/3))

cos (arctan (\frac{3}{3}))

arcsin (0.25)

Frequently Asked Questions (FAQ)

What is the value of 2sin(75)cos(75) ?
The value of 2sin(75)cos(75) is 1/2