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OpenStudy (anonymous):
please help me ...verify the identity and justify each step???? 1.Verify the identity cot(θ-( π/2)= -tan θ 2. Verify the identity tan θ + cot θ =1/sin θ cosθ
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OpenStudy (anonymous):
you on?
OpenStudy (anonymous):
i'm on Now
OpenStudy (lgbasallote):
i guess this time he's not
OpenStudy (anonymous):
yeah guess not.
OpenStudy (cwrw238):
for second one write tan and cot in terms of sin and cos and add the fractions
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OpenStudy (anonymous):
1. cot(theta-90)= cot(-90+theta)= -cot(90+theta)= -tan theta hence lhs=rhs...so proved 2. sin theta/cos theta + cos theta/ sin theta, taking lcm, sin^2 theta+ cos^theta/sin theta cos theta= 1/sin theta cos theta hence lhs=rhs....so proved.
OpenStudy (anonymous):
it depends on what you get to use for the first one
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