Question

(e) If sec 5A = cosec (A + 36°), where 5A is an acute angle, find the
( If tan 20 = cot (0 + 18°), where 20 and 0 + 18º are acute, then prove that 0 = 24
5. (a) If sin 50 = cos 40, where 50 and 40 are acute angles, find the value of 0.
(b) If cos 20 = sin 40, where 20 and 40 are acute angles, find the value of 0.
(C) If sin (20 + 45°) = cos (30° - 0) where 20 + 45° and 30° - O are acute angles, find the val
(B+C) = cott
2
6. If A, B, C are the interior angles of a A, prove that (1) tan​

Answer 1

Answer:

Sec5A = cosec(A - 36) -------- ---- We know, Cosec(90 - ∅) = sec∅ ------------- - Then, Sec5A = cosec(A - 36) Cosec(90 ...

Answer 2

Answer:

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