Math, asked by Halim, 1 year ago

tan70°=tan20°+2tan50°
prove it by Right hand side

Answers

Answered by sukithdevadiga
1
tan20+2tan50 1/cot20+2/cot50 (Cot50+2cot20)/cot20×cot50
Answered by rdahin
0
RHS= tan 20+tan 50+tan50=tan(20+50)*(1-tan20*tan50) +tan50
=tan70*(1-tan20*tan50) +tan50=tan70-tan70*tan20*tan50+tan50
=tan70-tan50*1+tan50 (∵ tan20*tan70=1)
=tan70-tan50+tan50=tan70=LHS
Previous Question
Next Question
Similar questions
English, 7 months ago
Tense- make a chart by writing three types of tense with Different form giving two examples of each form​...
Geography, 7 months ago
4. The Mountains having rounded a slopes. peaks and gentle​...
English, 7 months ago
crop button is available in which group​...
Chemistry, 1 year ago
If air is pumped continuously into a metallic container,what would happen to the air inside the cylinder? a) temperature of air will increase. b)pressure of air would increase. c)pressure of air would decrease. d)temperature and pressure both would increase...
English, 1 year ago
show me the pic of water clock made by newton...
Science, 1 year ago
which raw material is primarily responsible for the release of molecular O2in photosynthesis?
Science, 1 year ago
Give reasons. a) water at room temperature is a liquid b) an iron almirah is a solid at room temperature?
English, 1 year ago
benifites of natures medicine artical...