Prove that (1+tanA+cotA)•(sinA-cosB)=sinA•tanB-cotA•cosB
Prince Chaubey , 7 Years ago
Grade 10
Trigonometry> Prove that (1+tanA+cotA)•(sinA-cosB)=sinA...
2 Answers
Saurabh Koranglekar
Last Activity: 5 Years ago
Dear student
Equation must be valid for all angles, Since this is not true at A = 45 and B = 60
We need some defining criteria for values of A and B
Regards
Vikas TU
Last Activity: 5 Years ago
Dear student
Question is not clear
Please attach an image,
We will happy to help you
Good Luck
Cheers
Question is not clear
Please attach an image,
We will happy to help you
Good Luck
Cheers
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