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MAXImum [283]
3 years ago
8

Simplify the expressions: cot 0 sec 0 A. Sin0 B. Csc0 C. Cos0 D. Cos* 0

Mathematics
2 answers:
maxonik [38]3 years ago
7 0

Answer:

csc 0

B is correct

Step-by-step explanation:

Given:  Expression, cot 0 sec 0

Simplify the trigonometric expression using identity.

\cot\theta=\dfrac{\cos\theta}{\sin\theta}

\sec\theta=\dfrac{1}{\cos\theta}

\csc\theta=\dfrac{1}{\sin\theta}

\cot 0\cdot \sec 0 \Rightarrow \dfrac{\cos0}{\sin0}\times \dfrac{1}{\cos0}

Cancel like factor from top and bottom

\cot 0\cdot \sec 0 \Rightarrow \dfrac{1}{\sin0}

\cot 0\cdot \sec 0 \Rightarrow \csc 0

Hence, The given expression equivalent to csc 0

raketka [301]3 years ago
5 0
Cot 0 is undefinded, sec0=1
A. Sin0=0
B. C<span>sc(0) = 1/sin(0). Since there is no number 1/0, csc(0) is undefined.
C. Cos0=1
D. Cos 0=1</span>
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