a. \sin^2 \theta - \cos^2 \theta = -1 - 2 \sin^2 \theta b. \tan \frac{13 \pi}{4} - \cot \frac{7 \pi}{4} = 0 Determine whether the statement is true or false. sin(u plus or minus v) = sin u cos v plus or minus cos u...
Use the formula {eq}\tan\left ( 2\pi-a \right )=-\tan a {/eq} Answer and Explanation:1 Given: The statement is "{eq}tan (a) = tan (a - 6\pi ) {/eq}" To find: Whether the statement is true or false. Solution:
90 v v 91 w w 92 x x 93 y y 94 z z 95 { braceleft 96 | bar 97 } braceright 98 ~ asciitilde 99 € uni0080 100 ¢ cent 101 £ sterling 102 § section 103 ̅ macron 104 ° degree 105 ± plusminus 106 · periodcentered ...
A function is odd iff(−x)=−f(x). Odd functions are also symmetric to the origin. This is true for sine, cosecant, tangent and cotangent. For example,sin(−90∘)=−sin90∘=−1 This adds the trigonometric odd identities of ...