Question

$\cos \: threta \: \times \sec \: threta \: = \\ a)1 \\ b) \: 0 \\ c) \: \: 2 \\ d) \: 1upon \sqrt{2}$
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Answer 1

Answer:

costhreta×secthreta=a)1

a)1

b)0

c)2

d)1upon

Answer 2

Answer:

1

Step-by-step explanation:

we have formula- cos theta=1/sec theta

                        - cos theta * sec theta= 1