# How do you solve:(sinx + cosx)^2 – 1 = sin^2x

## How do you solve:(sinx + cosx)^2 – 1 = sin^2x

## How do you solve:(sinx + cosx)^2 – 1 = sin^2x

(sinx + cosx)² – 1 = sin²xsin²x + cos²x + 2sinx cosx – 1 = sin²x (sin²x + cos²x – 1 = 0 for all x)2sinx cosx = sin²x2 cosx = sinx2 = sinx/cosx = tanxx = atan(2) = 1.107 rad, or 63.43°

**How do you solve:(sinx + cosx)^2 – 1 = sin^2x**

How do you solve:(sinx + cosx)^2 – 1 = sin^2x

Read More

How do you solve:(sinx + cosx)^2 – 1 = sin^2x

Read More