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Answered by
0
Answer:
cos A +. cos A. =cost A
1-sin A 1+sin A 2 - sin A
Step-by-step explanation:
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Answered by
1
Answer:
2 sec A
Step-by-step explanation:
cosA / (1−sinA) + cosA / (1+sinA) [given]
=> cosA (1 + sinA + 1−sinA) / [1-sin²A] [on taking LCM]
=> 2 cos A / cos² A [sin²A + cos²A = 1]
=> 2 / cos A
=> 2 sec A [sec is the reciprocal of cos]
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