Practicing Success
Find the value of 3(\(\frac{sin 35°}{cos 55°}\))2 + 2(\(\frac{cos 55°}{sin 35°}\))2 |
2 3 5 4 |
5 |
3(\(\frac{sin 35°}{cos 55°}\))2 + 2(\(\frac{cos 55°}{sin 35°}\))2 ⇒ 3(\(\frac{sin 35°}{sin (90°-35°)}\))2 + 2(\(\frac{cos 55°}{cos (90°-55°)}\))2 ⇒ 3(\(\frac{sin 35°}{sin 35°}\))2 + 2(\(\frac{cos 55°}{cos 55°}\))2 ⇒ 3 + 2 = 5 |