SOLUTION: simplify the given expressions:
a) (2 sin^2α − 1)/(sina + cosa)
b) (cos^2a - cot^2a)/(sin^2a - tan^2a)
for b i have all the way until (cos^2asin^2a - cos^2a)/(sin^2a) x
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Question 1134376: simplify the given expressions:
a) (2 sin^2α − 1)/(sina + cosa)
b) (cos^2a - cot^2a)/(sin^2a - tan^2a)
for b i have all the way until (cos^2asin^2a - cos^2a)/(sin^2a) x (cos^2a)/(sin^2acos^2a - sin^2a)
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
a)
.......since , we have
b)
factor both numerator and denominator
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