sin, cos and tan in a right angled triangle – GeoGebra

I made what looks like a fun problem in Geogebra, however I quickly realized this is far beyond my level. Any help? : r/askmath

sin

In triangle ABC, angle C is a right angle and AC = 8, BC = 15, and AB = 17. Find 1. angle A and angle B 2. sine A 3. cos A 4. sin B 5. cos B

Trigonometry - The Unit Circle

Sine-Cosine-Tangent

trigonometry - Elementary proof of tangent half angle formula - Mathematics Stack Exchange

Sine Cosine and Tangent explained with the help of examples

Exploring a triangle to see the invariance of trigonometric ratios with

SINE, COSINE AND TANGENT - TRIGONOMETRY IN THE RIGHT TRIANGLE, gis