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Using a right-angled triangle the value of Cos C is 24/25 and Sin A is 20/29.
Trigonometric identities are the functions that include trigonometric functions such as sine, cosine, tangents, secant, and, cot.
A right triangle ABC has complementary angles A and C.
Using a right-angled triangle if Sin A = 24/25 then the other side =7
Therefore Cos C = 24/25
Similarly,
Using a right-angled triangle if Cos C = 20/29 then the other side =21
Therefore Sin A = 20/29
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