## Testimonials

Sal Ball

It helps me to solve difficult math problems, the app is not glitchy, it works well, and doesn't show ads unless to want to see the work, it help with any math problems I have trouble with.

Larry Lovell

I had a glitch with my This app Plus membership, and they refunded me the whole month, it's almost always accurate with no adds. Super helpful, especially with trigonometric equations, thank so much for making this app it very helpful with my studies. This app has been really helpful in helping with assignments and math problems.

## How do you find theta?

Solve for ? sin (theta)=1 sin(θ) = 1 sin ( θ) = 1 Take the inverse sine of both sides of the equation to extract θ θ from inside the sine. θ = arcsin(1) θ = arcsin ( 1) Simplify the right side. Tap for

## Trigonometry

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## Sine and Cosine explained visually

prove\:\tan^2(x)-\sin^2(x)=\tan^2(x)\sin^2(x) \frac{d}{dx}(\frac{3x+9}{2-x}) (\sin^2(\theta))' \sin(120) \lim _{x\to 0}(x\ln (x)) \int e^x\cos (x)dx \int_{0}^{\pi}\sin(x)dx

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