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PALLAVI AZAD

· started a discussion

· 1 Months ago

q (Question: 216095.0 )

pls give the solution

Question:
 Find the value of cos(40° – \(\theta\)) – sin(50° + \(\theta\) ) + \(\cfrac{cos^2 40^o + cos^2 50^o}{sin^2 40^o + sin^2 50^o}\) . 
Options:
A) -1
B) -2
C) 0
D) 1
Solution:
Ans: (d)


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