Verify the identity: sin x/tan x + cos x/cot x = sin x + cos x
1 answer:
We know that tanx = sinx/cosx. Therefore sinx/tanx = sinx * cosx/sinx = cosx.
We also know that cotx = 1/tanx = cosx/sinx. Hence cosx/cotx = cosx * sinx/cosx = sinx.
Overall, this makes sinx + cosx.
Hope this helps :)
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