InterviewSolution
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InterviewSolution
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All formula of trignometry |
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Answer» [Exercise:-8.3]....sin (90°-A)=cos A,,,,,cos(90°-A)=sinA,,,,,Tan(90°-A)=cot,,,,Cot(90°-A)=tanA,,,SecA(90°-A)=cosecA,,,,Cosec(90°-A)=secA....... [Exercise:-8.1].....sin= p\\h,,,cos=B\\H,,,tan=P\\B......nd [Exercise:-8.2]....u can read formula on NCERT book ...... |
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