cos63°/sin27° + tan35°/sin35° - cosec55°/tan45°
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Answer:
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Step-by-step explanation:
cos63/sin27 + tan35/sin35 - cosec55/tan45
co63/sin(90-63) + sin35/cos35 × sin35 - cosec55 × 1 (tan45 = 1)
cos63/cos63 + 1/cos35 - cosec55 [sin(90-∅) = cos∅]
1+sec35 - cosec(90-35)
1+sec35-sec35 [cosec(90-∅) = sec∅]
= 1
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