If secA + tan A = m, prove that : sinA= (m^2-1)/(m^2+1) . 10:58 If 5 sin theta = 3, find the value of (sec theta -tan theta)/ (sec the... 02:26 Prove that the equation : cos theta= x+1/x is impossible if x be real... 01:38 Prove that the equation : (a...
If8tanA=15, findsinA−cosA View Solution Let's add and subtract - ( c) (18 hr 19 min 15 sec) + (9 hr 55min 48 sec) View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths ...
3sinA−4sin3A4cos3A−3cosA=3tanA−tan3A1−3tan2A given that secA=54, we will follow these steps: Step 1: Find the values of sinA, cosA, and tanA Since secA=1cosA, we have: cosA=45 Using the Pythagorean identity sin2A+cos2A=1: sin2A+(45)2=1 Calculating (45)2: sin2A...