Simplify the given question given trigonometry of complementary angles
Suraj , 7 Years ago
Grade 10
10 grade maths> Simplify the given question given trigono...
1 Answers
Arun
Last Activity: 7 Years ago
Dear student
May be yoh have types a wrong question as in numerator
Coesc² 65 - tan²25 ahould be there.
Anyway I am giving you the hint.
tan² 25 = tan² (90 -65) = cot² 65.
Sin²17 = sin² (90 - 73) = cos²73.
tan 80 = tan (90-10) = cot 10
Regards
Arun (askIITians forum expert)
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