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Consider △ACB, right angled at C, in which AB=29 units, BC=21 units ∠ABC=θ. Determine the value of
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Example-3 : Consider △ACB, right angled at C, in which AB=29 units, BC=21 units ∠ABC=θ. Determine the value of
(i) cos²θ+sin²θ
(ii) cos²θ−sin²θ
(i) cos²θ+sin²θ
(ii) cos²θ−sin²θ
0:03:33
0:03:55
0:11:34
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0:04:44
0:05:57
0:11:54
0:04:05
0:04:00
0:10:21
0:06:54
0:03:59
0:07:59
0:06:08
0:04:44
0:07:20
0:02:05
0:03:42
0:03:10
0:02:48
0:04:00
0:02:09
0:06:07
0:00:06