Sec^2x+tan^2x=7,find the value of x.
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Hi Mate!!
We know a well know identity I,e 1 + Tan² (x ) = Sec² (x)
2 Tan² ( 2x ) = 6
Tan²( 2x ) = 3
Tan (2x ) = +√3. or. Tan (2x) = -√3
2x = 60 or. 2x = -60
x = 30. or. x = -30.
We know a well know identity I,e 1 + Tan² (x ) = Sec² (x)
2 Tan² ( 2x ) = 6
Tan²( 2x ) = 3
Tan (2x ) = +√3. or. Tan (2x) = -√3
2x = 60 or. 2x = -60
x = 30. or. x = -30.
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