Practicing Success
If cos230° + sin230° + tan245° + cot230° + x = 6 , find the value of x . |
2 -1 0 1 |
1 |
⇒ cos230° + sin230° + tan245° + cot230° + x = 6 ⇒ (\(\frac{\sqrt {3}}{2}\))2 + (\(\frac{1}{2}\))2 + (1)2 + (\(\sqrt {3}\))2 + x = 6 ⇒ \(\frac{3}{4}\) + \(\frac{1}{4}\) + 1 + 3 - x = 6 ⇒ 1 + 1 + 3 + x = 6 ⇒ x = 1 |