given sec A=29/21,evaluate:sinA-1/tanA
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11
this is the answer or wht
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kvnmurty:
-189/580. Not- 189/400... Mistake
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15
We know that 20, 21, 29 are Pythagorean Triplets.
So if sec A = 29/21, then from trigonometry we can say,
sin A = 20/29
tan A = 20/21
Substituting the values,
= ((20/29) - 1 ) / (20/21)
= (-9/29) / (20/21)
So if sec A = 29/21, then from trigonometry we can say,
sin A = 20/29
tan A = 20/21
Substituting the values,
= ((20/29) - 1 ) / (20/21)
= (-9/29) / (20/21)
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