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pilu4
Beginner
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12
Questions
44
Answers
pilu4
September 2021 | 1 Replies
pls help me to solve the four questions...
Answer
pilu4
August 2021 | 0 Replies
2sin10°-sin70°=1 &7)3;12)2;13);1)1&2...
Answer
pilu4
August 2021 | 0 Replies
5)3. tan 20°tan40°tan80°=√3 & 6) all; 7)3&4; 12)2 ;13)...
Answer
pilu4
August 2021 | 0 Replies
4). & 2)If cos a=n cos (a+2b) ;then prove (n+1)tan(a+b)=(n-1)cot b...
Answer
pilu4
August 2021 | 0 Replies
prove that:- 1)sin 19°+sin 41°+sin83°=sin 23°+sin37°+sin79°. & 2)cos 10°cos ...
Answer
pilu4
August 2021 | 1 Replies
find the value: sin square 1°+sin square3°+sin square 5°......+ sin square 85°+s...
Answer
pilu4
August 2021 | 0 Replies
8.then prove,a+b+c=45°...
Answer
pilu4
April 2021 | 0 Replies
Tan35°+tan10°+tan35°tan10°=1...
Answer
pilu4
April 2021 | 0 Replies
Prove that tan75°-cot75°=4sin60°...
Answer
pilu4
April 2021 | 0 Replies
Cosa +cos(120°+a)+cos (120°-a)=0...
Answer
pilu4
April 2021 | 0 Replies
cos2°+sin2°...
Answer
pilu4
April 2021 | 0 Replies
Tan 62°=2tan 34°+tan28°...
Answer
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