What is 3sin^2(a)+3cos^2(a) ?

The solution to 3sin^2(a)+3cos^2(a) is 3

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simplify 3sin^2(a)+3cos^2(a)

simplify

3 sin^{2} (a) + 3 cos^{2} (a)

3

Solution steps

3 sin^{2} (a) + 3 cos^{2} (a)

Use the Pythagorean identity:

cos^{2} (x) + sin^{2} (x) = 1

= 3 \cdot 1

Factor out common term

3

= 3 (sin^{2} (a) + cos^{2} (a))

= 3

36 p^{2} + 84 p + 49

(x - 1) (\frac{x - 5}{4}) (\frac{x + 1}{4})

6.626 x 1 0^{- 3} 4 \cdot 3 x 1 0^{8}

\frac{1}{3} \cdot (x + 15) + \frac{2}{3} \cdot (x + 9)

1.5 a - a + 7 - 9.5 a