plz solve this for me ...
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dhek lo ggggg acha laga too brilliant kar diyo
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Answer:
secθ + tanθ = m -----> 1
secθ - tanθ = 1/m -------->2
Add 1 and 2
2secθ = m + 1/m
2secθ = m² + 1/m
secθ = m² + 1
----------
2m
cosθ = m² + 1
----------
2m ( secθ = 1/cosθ )
Subtract 1 and 2
2tanθ = m - 1/m
2tanθ = m² - 1/m
tanθ = m² - 1
----------
2m
sinθ = tanθ × cosθ
sinθ = 2m m² - 1
---------- × ----------- (Cancel out 2m)
m²-1 2m
sinθ = m² - 1
------------
m² + 1
Hence Proved.
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