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Sagot :
Answer:
Using a right angled triangle if Sin A =24/25 The other side =7
therefore Cos A =7/25
However Sin is positive in the second quadrant and Cos is negative.
So there are two answers to your question 7/25 and -7/25
529
Step-by-step explanation:
Knowing the value of of cosθ, find out the values of the other trigonometric ratios using the trigonometric identities.
Keep in mind the fact that the angle lies in the fourth quadrant and provide the signs for the trigonometric ratios accordingly.
Now express sin2θ,cos2θ and tan2θ in terms of sinθ,cosθ and tanθ, whose values are now known, to get the required answers.
Hope this helps
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