Complete the sentence so the result is an identity. Let x be any real number.
-$$ـــــــــ- 1 = \tan ^ { 2 } x$$
A) $\cos ^ { 2 } x$
B) $\sec ^ { 2 } x$
C) $\sin ^ { 2 } x$
D) $\cot ^ { 2 } x$

Question

Quizplus · Accepted Answer

The correct identity is $\sec ^ { 2 } x - 1 = \tan ^ { 2 } x$, which is derived from the Pythagorean identity for tangent and secant.

Complete the Sentence So the Result Is an Identity ـــــــــ−1=tan⁡2xـــــــــ- 1 = \tan ^ { 2 } xـــــــــ−1=tan2x

Complete the Sentence So the Result Is an Identity $ـــــــــ- 1 = \tan ^ { 2 } x$