
Grade 9Trigonometry
take ∂ as tita, - cosec∂ − sin∂ =(a)(a)(a), sec∂ −cos∂ = (b)(b)(b) , prove that (a)(a)(b)(b)[(a)(a)+(b)(b)] = 1
take ∂ as tita,
- cosec∂ − sin∂ =(a)(a)(a), sec∂ −cos∂ = (b)(b)(b) , prove that (a)(a)(b)(b)[(a)(a)+(b)(b)] = 1

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Last Activity: 4 Years ago

Last Activity: 4 Years ago