1. sin 45∘ sin 30∘ + cos 45∘ cos 30∘
Solution: The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec)
1. sin 45∘ sin 30∘ + cos 45∘ cos 30∘
Solution: The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec)