diff --git a/education/math/MATH1060 (trig)/Identities.md b/education/math/MATH1060 (trig)/Identities.md index 357bd7b..7d230df 100644 --- a/education/math/MATH1060 (trig)/Identities.md +++ b/education/math/MATH1060 (trig)/Identities.md @@ -74,5 +74,6 @@ $$ a^2 - b^2 = (a-b)(a+b) $$ Simplify $\tan\theta\sin\theta + \cos\theta$: 1. $\dfrac{\sin\theta}{\cos\theta} * \sin\theta + \cos\theta$ 2. $\dfrac{\sin^2\theta}{cos\theta} + \cos\theta$ -3. $\dfrac{1 -\cos^2\theta}{cos\theta} + \cos\theta$ -4. \ No newline at end of file +3. $(\dfrac{\sin^2\theta}{cos\theta} + \cos\theta)\dfrac{\cos\theta}{\cos\theta} = \sin^2\theta*\cos^2\theta + \cos\theta$ + +Simplify $\defrac{2 + tan^2} \ No newline at end of file