If Tan 2A = cos (A-18) where 2A is an acute angle,find the value of A Share with your friends Share 0 Varun Rawat answered this Dear Student,I think there is a mistake in the question, it should be, tan 2A = cotA - 18°⇒cot90° - 2A = cotA - 18°⇒90° - 2A = A - 18°⇒-3A = -108°⇒A = 36° Regards 1 View Full Answer Rukhsar Khan answered this it is cot instead of cos -1 Sahil Haque answered this No its cos....dats wht d problem is!! 0
