If 4 A -cosec A -20- where 4 A is an acute angle-Find the value of A-A- 82-B- 12-C- 62-D- 22-

The correct option is D 22o ...

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Value of Standard Angle(30,60,90)

If 4 A =cosec...

Question

If sec4A = cosec (A – 20^o), where 4A is an acute angle.

Find the value of A.

82^o

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22^o

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12^o

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62^o

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Solution

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Similar questions

s e c (4 A) = c o s e c (A - 20 °)

4 A

A

s e c 4 A = c o s e c (A - 20^{\circ})

sec 4 A = cosec (A - 20^{\circ})

4 A

A

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