(cosec A + cot A) (1 − cosA) is equal to *
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Answer:
(cosec A + cot A) (1 − cosA) is equal to SinA
Step-by-step explanation:
(cosec a+cot a)(1-cos a)
= cosec a-cosec a*cos a+cot a-cot a*cos a
=1/sin a-(cos a)/sin a+(cos a-cos^2 a)/sin a
=(1-cos a+cos a-cos^2 a)/sin a
=(1-cos^2 a)/sin a
=sin^2 a/sin a = sin a
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