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We have, cosec A = 2
Now, sin A =
⇒ sin A =
We know that sin² A + cos² A = 1
⇒ cos² A = 1 - sin² A
⇒ cos A = √(1-sin² A)
⇒ cos A = √{1- }
⇒ cos A = √(1 - )
⇒ cos A = √()
⇒ cos A =
We know that tan A =
⇒ tan A =
⇒ tan A =
We need to find +
Substituting the values of each trigonometric function obtained earlier, we get:
+ = +
= +
= +
=
=
= ×
= = 8-6= 2
Step-by-step explanation:
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Step-by-step explanation:
We need to find
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