What are the ratio of 1:6 and 3:8, 2:14and 3:42
1 answer:
You might be interested in
Step-by-step explanation:
first of all
put above of equation
(sin/cos)(sin)+cos =sec
sin²/cos +cos=sec
take l.c.m
sin²+cos²/cos=sec
as sin ²+cos²=1 so
1/cos=sec
sec=sec
hence proved
