If sin A = sin B and cos A = cos B, then:
(1) A = 2n ? + B
(2) A = 2n ? - B (n ? Z)
(3) A = n? + B
(4) A = n? - B
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Which of the following statements is wrong ? (a) sin2? + cos2? = 1 (b) 1 + tan2? = sec2? (c) sin2? - cos2? = 1 (d) sin2? = 2 sin? cos?
Q: The marked price of an object is rs 1920. The shopkeeper allows a discount of 10% and gains 8%. If no discount is allowed his gain percent would be? I need complete solution pls help me
3 Answers Indian Railways, L&T,
I m preparing for RRB Exams for section engineers.I m from Mechanical trade.Recently I have given exam of RRB gorakhpur. I found that they have asked question from all branch of engg like mechanical,electrical and electronics and there was very less question from mechanical. Can any body plz tell me how to prepare for rrb exam and suggest me any book for that.
Sir please give me all railway recruitment board goods guard, assistant station master,commercial clerk and other non technical questions.
The sculpture with the three faces of Brahma, Vishnu and Mahesh known as ?Trimurti? appears in ______ caves (a) Kalva (b) Ellora (c) Elephanta (d) Ajanta
Which of following is not a pseudonym? (1) Stalin (2) Ho-Chi-Minh (3) Freud (4) Pele
I WANT TO RRB TC EXAM MODEL PAPER PLS SEND TO ME PLZ
Insulation value of conductors with reference to earth is mentioned in (a) Ampere (b) Resistance (c) Voltage (d) Wattage
Nandi Hills are situated in the vicinity of (a) Bangalore (b) Mysore (c) Hubli (d) Chennai
i want to job for commercial clerk in rrb.kindly send to this job details and qualification stage and how did preper this job.
please send me rrb competitive exam syllabus and question and ansers